#283121#283121

#283121 is a dark, muted yellow-green. Relative luminance 0.028; OKLCH L 29.9% C 0.031 H 131.9°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#283121
RGB	rgb(40, 49, 33)
HSL	hsl(94, 20%, 16%)
HSV	hsv(94, 33%, 19%)
CMYK	cmyk(18.4%, 0%, 32.7%, 80.8%)
CIE-LAB	lab(19.05, -7.54, 8.98)
CIE-LCH	lch(19.05, 11.73, 130.00°)
OKLab	oklab(29.94% -0.0204 0.0227)
OKLCH	oklch(29.94% 0.031 131.9)
XYZ	xyz(2.2478, 2.7575, 1.8524)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283121 #2A2131

analogous

#303121 #283121 #213122

triadic

#283121 #212831 #312128

tetradic

#283121 #213031 #2A2131 #312221

square

#283121 #213031 #2A2131 #312221

split-complementary

#283121 #222131 #312130

monochromatic

#0F120C #0F120C #283121 #46563A #647A52

Accessibility & contrast

On white

13.53

#283121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#283121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283121

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283121	#FFFFFF	#000000	##FFFFFF
##283121	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322F20

Deuteranopia (green-blind)

#312E22

Tritanopia (blue-blind)

#28302D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #283121;
/* rgb */ color: rgb(40, 49, 33);
/* oklch */ color: oklch(29.9% 0.031 131.9);

Tailwind

colors: {
  custom: {
    50: '#62695c',
    500: '#283121',
    950: '#000000',
  },
}

SCSS

$custom: #283121;
$custom-light: #62695c;
$custom-dark: #000000;

JSON

{
  "hex": "#283121",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 93.75,
    "s": 19.512,
    "l": 16.078
  },
  "oklch": {
    "l": 0.29943,
    "c": 0.03051,
    "h": 131.9
  },
  "luminance": 0.02758
}

Semantic roles & 50–950 ramp

primary

#283121

secondary

#584B63

accent

#6CBC99

background

#F5F6F5

surface

#EAEBE9

border

#C6C6C5

text

#050604

muted

#797A79

Preview Lab

Preview with #283121

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

Preview Lab → · Contrast checker → · Palette generator →