#21571B#21571B

#21571B is a dark, moderate green. Relative luminance 0.072; OKLCH L 40.6% C 0.108 H 141.7°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#21571B
RGB	rgb(33, 87, 27)
HSL	hsl(114, 53%, 22%)
HSV	hsv(114, 69%, 34%)
CMYK	cmyk(62.1%, 0%, 69%, 65.9%)
CIE-LAB	lab(32.30, -30.96, 28.74)
CIE-LCH	lch(32.30, 42.24, 137.12°)
OKLab	oklab(40.61% -0.0845 0.0667)
OKLCH	oklch(40.61% 0.108 141.7)
XYZ	xyz(4.2330, 7.2185, 2.2069)
Luminance	0.0722 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21571B #511B57

analogous

#3F571B #21571B #1B5733

triadic

#21571B #1B2157 #571B21

tetradic

#21571B #1B3F57 #511B57 #57331B

square

#21571B #1B3F57 #511B57 #57331B

split-complementary

#21571B #331B57 #571B3F

monochromatic

#091707 #0F280D #21571B #338629 #44B438

Accessibility & contrast

On white

8.59

#21571B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#21571B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21571B

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21571B	#FFFFFF	#000000	##FFFFFF
##21571B	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F14

Deuteranopia (green-blind)

#524A20

Tritanopia (blue-blind)

#19544A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21571b;
/* rgb */ color: rgb(33, 87, 27);
/* oklch */ color: oklch(40.6% 0.108 141.7);

Tailwind

colors: {
  custom: {
    50: '#63875a',
    500: '#21571b',
    950: '#000000',
  },
}

SCSS

$custom: #21571b;
$custom-light: #63875a;
$custom-dark: #000000;

JSON

{
  "hex": "#21571b",
  "rgb": {
    "r": 33,
    "g": 87,
    "b": 27
  },
  "hsl": {
    "h": 114,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.40605,
    "c": 0.10765,
    "h": 141.7
  },
  "luminance": 0.07219
}

Semantic roles & 50–950 ramp

primary

#21571B

secondary

#85418D

accent

#4CDCCE

background

#F6F8F5

surface

#EBEFE9

border

#C6CAC5

text

#060B04

muted

#7A7C79

Preview Lab

Preview with #21571B

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

Preview Lab → · Contrast checker → · Palette generator →