#1C581D#1C581D

#1C581D is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.7% C 0.110 H 143.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C581D
RGB	rgb(28, 88, 29)
HSL	hsl(121, 52%, 23%)
HSV	hsv(121, 68%, 35%)
CMYK	cmyk(68.2%, 0%, 67%, 65.5%)
CIE-LAB	lab(32.51, -32.48, 27.93)
CIE-LCH	lch(32.51, 42.84, 139.30°)
OKLab	oklab(40.74% -0.0882 0.0653)
OKLCH	oklch(40.74% 0.11 143.5)
XYZ	xyz(4.1901, 7.3146, 2.3532)
Luminance	0.0732 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C581D #581C57

analogous

#39581C #1C581D #1C583B

triadic

#1C581D #1D1C58 #581D1C

tetradic

#1C581D #1C3958 #581C57 #583B1C

square

#1C581D #1C3958 #581C57 #583B1C

split-complementary

#1C581D #3B1C58 #581C39

monochromatic

#071708 #0D2A0E #1C581D #2B862C #3AB53C

Accessibility & contrast

On white

8.53

#1C581D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1C581D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C581D

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C581D	#FFFFFF	#000000	##FFFFFF
##1C581D	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5016

Deuteranopia (green-blind)

#534B22

Tritanopia (blue-blind)

#0F554B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c581d;
/* rgb */ color: rgb(28, 88, 29);
/* oklch */ color: oklch(40.7% 0.110 143.5);

Tailwind

colors: {
  custom: {
    50: '#61885b',
    500: '#1c581d',
    950: '#000000',
  },
}

SCSS

$custom: #1c581d;
$custom-light: #61885b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c581d",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 29
  },
  "hsl": {
    "h": 121,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.4074,
    "c": 0.10969,
    "h": 143.5
  },
  "luminance": 0.07315
}

Semantic roles & 50–950 ramp

primary

#1C581D

secondary

#8E428C

accent

#4DD9DB

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1C581D

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

Preview Lab → · Contrast checker → · Palette generator →