#1C581B#1C581B

#1C581B is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.7% C 0.111 H 143.0°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C581B
RGB	rgb(28, 88, 27)
HSL	hsl(119, 53%, 23%)
HSV	hsv(119, 69%, 35%)
CMYK	cmyk(68.2%, 0%, 69.3%, 65.5%)
CIE-LAB	lab(32.49, -32.72, 28.91)
CIE-LCH	lch(32.49, 43.66, 138.54°)
OKLab	oklab(40.72% -0.0889 0.0671)
OKLCH	oklch(40.72% 0.111 143)
XYZ	xyz(4.1662, 7.3050, 2.2272)
Luminance	0.0731 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C581B #571B58

analogous

#3B581B #1C581B #1B5838

triadic

#1C581B #1B1C58 #581B1C

tetradic

#1C581B #1B3B58 #571B58 #58381B

square

#1C581B #1B3B58 #571B58 #58381B

split-complementary

#1C581B #381B58 #581B3B

monochromatic

#071707 #0D290D #1C581B #2B8729 #3AB638

Accessibility & contrast

On white

8.53

#1C581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1C581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C581B

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C581B	#FFFFFF	#000000	##FFFFFF
##1C581B	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)

#5A4F14

Deuteranopia (green-blind)

#534A20

Tritanopia (blue-blind)

#10554B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c581b;
/* rgb */ color: rgb(28, 88, 27);
/* oklch */ color: oklch(40.7% 0.111 143.0);

Tailwind

colors: {
  custom: {
    50: '#61885a',
    500: '#1c581b',
    950: '#000000',
  },
}

SCSS

$custom: #1c581b;
$custom-light: #61885a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c581b",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 119.016,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.40716,
    "c": 0.11142,
    "h": 143
  },
  "luminance": 0.07305
}

Semantic roles & 50–950 ramp

primary

#1C581B

secondary

#8D418E

accent

#4BDCDA

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1C581B

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

Preview Lab → · Contrast checker → · Palette generator →