#0A381B#0A381B

#0A381B is a dark, moderate green. Relative luminance 0.030; OKLCH L 30.2% C 0.071 H 151.4°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX#0A381B
RGBrgb(10, 56, 27)
HSLhsl(142, 70%, 13%)
HSVhsv(142, 82%, 22%)
CMYKcmyk(82.1%, 0%, 51.8%, 78%)
CIE-LABlab(19.93, -23.17, 13.81)
CIE-LCHlch(19.93, 26.97, 149.21°)
OKLaboklab(30.19% -0.0624 0.034)
OKLCHoklch(30.19% 0.071 151.4)
XYZxyz(1.7370, 2.9718, 1.5188)
Luminance0.0297 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A381B #380A27
analogous
#10380A #0A381B #0A3832
triadic
#0A381B #1B0A38 #381B0A
tetradic
#0A381B #0A1038 #380A27 #38320A
square
#0A381B #0A1038 #380A27 #38320A
split-complementary
#0A381B #320A38 #380A10
monochromatic
#051A0D #051A0D #0A381B #136C34 #1DA04D

Accessibility & contrast

On white

13.17
#0A381B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.59
#0A381B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A381B
13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A381B#FFFFFF#000000##FFFFFF
##0A381B1.0013.171.5913.17
#FFFFFF13.171.0021.001.00
#0000001.5921.001.0021.00
##FFFFFF13.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383319
Deuteranopia (green-blind)
#332F1D
Tritanopia (blue-blind)
#003731
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #0a381b;
/* rgb */ color: rgb(10, 56, 27);
/* oklch */ color: oklch(30.2% 0.071 151.4);
Tailwind
colors: {
  custom: {
    50: '#516f57',
    500: '#0a381b',
    950: '#000000',
  },
}
SCSS
$custom: #0a381b;
$custom-light: #516f57;
$custom-dark: #000000;
JSON
{
  "hex": "#0a381b",
  "rgb": {
    "r": 10,
    "g": 56,
    "b": 27
  },
  "hsl": {
    "h": 142.174,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30189,
    "c": 0.07106,
    "h": 151.4
  },
  "luminance": 0.02972
}

Semantic roles & 50–950 ramp

primary
#0A381B
secondary
#752859
accent
#3BABED
background
#F4F6F5
surface
#E7ECE9
border
#C3C7C5
text
#020703
muted
#787A78

Preview Lab

Preview with #0A381B

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

Preview Lab → · Contrast checker → · Palette generator →

#0A381B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva