#283E48#283E48

#283E48 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.033 H 228.1°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#283E48
RGB	rgb(40, 62, 72)
HSL	hsl(199, 29%, 22%)
HSV	hsv(199, 44%, 28%)
CMYK	cmyk(44.4%, 13.9%, 0%, 71.8%)
CIE-LAB	lab(24.84, -5.56, -8.83)
CIE-LCH	lch(24.84, 10.44, 237.80°)
OKLab	oklab(34.98% -0.0218 -0.0243)
OKLCH	oklch(34.98% 0.033 228.1)
XYZ	xyz(3.7670, 4.3640, 6.7735)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283E48 #483228

analogous

#284842 #283E48 #282E48

triadic

#283E48 #48283E #3E4828

tetradic

#283E48 #422848 #483228 #2E4828

square

#283E48 #422848 #483228 #2E4828

split-complementary

#283E48 #48282E #484228

monochromatic

#0B1114 #121C21 #283E48 #3E606F #548297

Accessibility & contrast

On white

11.21

#283E48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#283E48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283E48

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283E48	#FFFFFF	#000000	##FFFFFF
##283E48	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393D49

Deuteranopia (green-blind)

#343948

Tritanopia (blue-blind)

#1C4141

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #283e48;
/* rgb */ color: rgb(40, 62, 72);
/* oklch */ color: oklch(35.0% 0.033 228.1);

Tailwind

colors: {
  custom: {
    50: '#63737b',
    500: '#283e48',
    950: '#000000',
  },
}

SCSS

$custom: #283e48;
$custom-light: #63737b;
$custom-dark: #000000;

JSON

{
  "hex": "#283e48",
  "rgb": {
    "r": 40,
    "g": 62,
    "b": 72
  },
  "hsl": {
    "h": 198.75,
    "s": 28.571,
    "l": 21.961
  },
  "oklch": {
    "l": 0.34984,
    "c": 0.03266,
    "h": 228.1
  },
  "luminance": 0.04364
}

Semantic roles & 50–950 ramp

primary

#283E48

secondary

#7A5E52

accent

#8263C5

background

#F6F6F7

surface

#EBECED

border

#C6C7C8

text

#050809

muted

#7A7B7B

Preview Lab

Preview with #283E48

Body copy rendered with the generated semantic roles for this colour.

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