#283B3E Color Information

Hex color code: #283B3E

#283B3E is a rich cyan color. In RGB it is (40, 59, 62), and in HSL it is (188°, 22%, 20%). It is popular in mobile app design.

Try:

Color NameDark Slate Gray

HEX

#283B3E

RGB

40, 59, 62

HSL

188°, 22%, 20%

CMYK

35%, 5%, 0%, 76%

Shades

CSS Usage

color: #283B3E;
background-color: #283B3E;
border-color: #283B3E;
box-shadow: 0 0 10px #283B3E;
border: 2px solid #283B3E;

Tailwind Usage

bg-[#283B3E]
text-[#283B3E]
border-[#283B3E]
shadow-[0_0_10px_283B3E]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #283B3E, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #283B3E; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #283B3E; color: #FFFFFF; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #283B3E; background-color: #283B3E15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #283B3E20; border-left: 4px solid #283B3E; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #283B3E; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #283B3E in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

40, 59, 62

Red: 40 / Green: 59 / Blue: 62

HSL

188°, 22%, 20%

Hue: 188° / Saturation: 22% / Lightness: 20%

CMYK

35%, 5%, 0%, 76%

Cyan: 35% / Magenta: 5% / Yellow: 0% / Key: 76%

What color is #283B3E?

#283B3E is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

3E2B28

Color Palette

HEX to RGB

Convert #283B3E to RGB:

rgb(40, 59, 62)HEX to RGB Converter →

HEX to HSL

Convert #283B3E to HSL:

hsl(188, 22%, 20%)RGB to HSL Converter →

HEX to CMYK

Convert #283B3E to CMYK:

cmyk(35%, 5%, 0%, 76%)Color Converter →

Color Meaning and Usage

#283B3E is a deep cyan color with RGB values of 40, 59, 62 and HSL of 188°, 22%, 20%. This cyan-blue hue evokes trust and professionalism, making it suitable for often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #283B3E is #3E2B28, creating high-contrast pairings. For softer combinations, try analogous colors like #283E36.

Use #283B3E in CSS: color: #283B3E or background-color: #283B3E. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #283B3E

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 1.79:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #283B3E?

#283B3E is a deep cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #283B3E?

#283B3E in RGB is (40, 59, 62) - 40 red, 59 green, and 62 blue.

How to use #283B3E in CSS?

Use #283B3E directly in your CSS properties like color or background-color.

What colors go well with #283B3E?

#3E2B28 (complementary), #283E36 (analogous), and #0A0F10 (lighter shade) work well with #283B3E.