#21531B#21531B

#21531B is a dark, moderate green. Relative luminance 0.066; OKLCH L 39.4% C 0.102 H 141.6°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#21531B
RGB	rgb(33, 83, 27)
HSL	hsl(114, 51%, 22%)
HSV	hsv(114, 67%, 33%)
CMYK	cmyk(60.2%, 0%, 67.5%, 67.5%)
CIE-LAB	lab(30.85, -29.22, 27.13)
CIE-LCH	lch(30.85, 39.87, 137.13°)
OKLab	oklab(39.41% -0.0798 0.0633)
OKLCH	oklch(39.41% 0.102 141.6)
XYZ	xyz(3.9181, 6.5886, 2.1020)
Luminance	0.0659 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21531B #4D1B53

analogous

#3D531B #21531B #1B5331

triadic

#21531B #1B2153 #531B21

tetradic

#21531B #1B3D53 #4D1B53 #53311B

square

#21531B #1B3D53 #4D1B53 #53311B

split-complementary

#21531B #311B53 #531B3D

monochromatic

#091708 #0F250C #21531B #33812A #46AF39

Accessibility & contrast

On white

9.06

#21531B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#21531B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21531B

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21531B	#FFFFFF	#000000	##FFFFFF
##21531B	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B15

Deuteranopia (green-blind)

#4F4720

Tritanopia (blue-blind)

#1A5047

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #21531b;
/* rgb */ color: rgb(33, 83, 27);
/* oklch */ color: oklch(39.4% 0.102 141.6);

Tailwind

colors: {
  custom: {
    50: '#62845a',
    500: '#21531b',
    950: '#000000',
  },
}

SCSS

$custom: #21531b;
$custom-light: #62845a;
$custom-dark: #000000;

JSON

{
  "hex": "#21531b",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 27
  },
  "hsl": {
    "h": 113.571,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.39412,
    "c": 0.10183,
    "h": 141.6
  },
  "luminance": 0.06589
}

Semantic roles & 50–950 ramp

primary

#21531B

secondary

#814189

accent

#4DDACB

background

#F6F8F5

surface

#EBEFE9

border

#C6CAC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #21531B

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

Preview Lab → · Contrast checker → · Palette generator →