#1C581C#1C581C

#1C581C is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.7% C 0.111 H 143.2°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX#1C581C
RGBrgb(28, 88, 28)
HSLhsl(120, 52%, 23%)
HSVhsv(120, 68%, 35%)
CMYKcmyk(68.2%, 0%, 68.2%, 65.5%)
CIE-LABlab(32.50, -32.60, 28.43)
CIE-LCHlch(32.50, 43.25, 138.91°)
OKLaboklab(40.73% -0.0885 0.0662)
OKLCHoklch(40.73% 0.111 143.2)
XYZxyz(4.1780, 7.3098, 2.2891)
Luminance0.0731 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C581C #581C58
analogous
#3A581C #1C581C #1C583A
triadic
#1C581C #1C1C58 #581C1C
tetradic
#1C581C #1C3A58 #581C58 #583A1C
square
#1C581C #1C3A58 #581C58 #583A1C
split-complementary
#1C581C #3A1C58 #581C3A
monochromatic
#071707 #0D2A0D #1C581C #2B862B #3AB53A

Accessibility & contrast

On white

8.53
#1C581C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#1C581C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C581C
8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C581C#FFFFFF#000000##FFFFFF
##1C581C1.008.532.468.53
#FFFFFF8.531.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5015
Deuteranopia (green-blind)
#534B21
Tritanopia (blue-blind)
#10554B
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1c581c;
/* rgb */ color: rgb(28, 88, 28);
/* oklch */ color: oklch(40.7% 0.111 143.2);
Tailwind
colors: {
  custom: {
    50: '#61885b',
    500: '#1c581c',
    950: '#000000',
  },
}
SCSS
$custom: #1c581c;
$custom-light: #61885b;
$custom-dark: #000000;
JSON
{
  "hex": "#1c581c",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 28
  },
  "hsl": {
    "h": 120,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.40728,
    "c": 0.11056,
    "h": 143.2
  },
  "luminance": 0.0731
}

Semantic roles & 50–950 ramp

primary
#1C581C
secondary
#8E428E
accent
#4DDBDB
background
#F6F8F5
surface
#EBF0E9
border
#C6CBC5
text
#050B04
muted
#7A7C79

Preview Lab

Preview with #1C581C

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

Preview Lab → · Contrast checker → · Palette generator →

#1C581C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva