#283239#283239

#283239 is a dark, near-neutral cyan. Relative luminance 0.030; OKLCH L 31.1% C 0.019 H 238.7°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#283239
RGB	rgb(40, 50, 57)
HSL	hsl(205, 18%, 19%)
HSV	hsv(205, 30%, 22%)
CMYK	cmyk(29.8%, 12.3%, 0%, 77.6%)
CIE-LAB	lab(20.15, -2.26, -5.82)
CIE-LCH	lch(20.15, 6.25, 248.75°)
OKLab	oklab(31.08% -0.0096 -0.0159)
OKLCH	oklch(31.08% 0.019 238.7)
XYZ	xyz(2.7540, 3.0276, 4.3094)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283239 #392F28

analogous

#283938 #283239 #282A39

triadic

#283239 #392832 #323928

tetradic

#283239 #382839 #392F28 #2A3928

square

#283239 #382839 #392F28 #2A3928

split-complementary

#283239 #39282A #393828

monochromatic

#0D1012 #0F1215 #283239 #41525D #5A7181

Accessibility & contrast

On white

13.08

#283239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#283239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283239

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283239	#FFFFFF	#000000	##FFFFFF
##283239	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3239

Deuteranopia (green-blind)

#2D3039

Tritanopia (blue-blind)

#233434

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #283239;
/* rgb */ color: rgb(40, 50, 57);
/* oklch */ color: oklch(31.1% 0.019 238.7);

Tailwind

colors: {
  custom: {
    50: '#62696f',
    500: '#283239',
    950: '#000000',
  },
}

SCSS

$custom: #283239;
$custom-light: #62696f;
$custom-dark: #000000;

JSON

{
  "hex": "#283239",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 204.706,
    "s": 17.526,
    "l": 19.02
  },
  "oklch": {
    "l": 0.31076,
    "c": 0.01858,
    "h": 238.7
  },
  "luminance": 0.03028
}

Semantic roles & 50–950 ramp

primary

#283239

secondary

#6A5C53

accent

#8D6EBA

background

#F5F6F6

surface

#EAEBEC

border

#C6C6C7

text

#050607

muted

#797A7A

Preview Lab

Preview with #283239

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

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