#0A371B#0A371B

#0A371B is a dark, moderate green. Relative luminance 0.029; OKLCH L 29.9% C 0.069 H 151.8°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#0A371B
RGB	rgb(10, 55, 27)
HSL	hsl(143, 69%, 13%)
HSV	hsv(143, 82%, 22%)
CMYK	cmyk(81.8%, 0%, 50.9%, 78.4%)
CIE-LAB	lab(19.54, -22.71, 13.30)
CIE-LCH	lch(19.54, 26.32, 149.65°)
OKLab	oklab(29.87% -0.0612 0.0328)
OKLCH	oklch(29.87% 0.069 151.8)
XYZ	xyz(1.6890, 2.8759, 1.5028)
Luminance	0.0288 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 7.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A371B #370A26

analogous

#0F370A #0A371B #0A3731

triadic

#0A371B #1B0A37 #371B0A

tetradic

#0A371B #0A0F37 #370A26 #37310A

square

#0A371B #0A0F37 #370A26 #37310A

split-complementary

#0A371B #310A37 #370A0F

monochromatic

#051A0D #051A0D #0A371B #136B34 #1D9F4E

Accessibility & contrast

On white

13.33

#0A371B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0A371B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A371B

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A371B	#FFFFFF	#000000	##FFFFFF
##0A371B	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373219

Deuteranopia (green-blind)

#322E1D

Tritanopia (blue-blind)

#003630

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a371b;
/* rgb */ color: rgb(10, 55, 27);
/* oklch */ color: oklch(29.9% 0.069 151.8);

Tailwind

colors: {
  custom: {
    50: '#516e57',
    500: '#0a371b',
    950: '#000000',
  },
}

SCSS

$custom: #0a371b;
$custom-light: #516e57;
$custom-dark: #000000;

JSON

{
  "hex": "#0a371b",
  "rgb": {
    "r": 10,
    "g": 55,
    "b": 27
  },
  "hsl": {
    "h": 142.667,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.29866,
    "c": 0.06943,
    "h": 151.8
  },
  "luminance": 0.02876
}

Semantic roles & 50–950 ramp

primary

#0A371B

secondary

#742858

accent

#3CA9EC

background

#F4F6F5

surface

#E7ECE9

border

#C3C7C5

text

#020703

muted

#787A78

Preview Lab

Preview with #0A371B

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

Preview Lab → · Contrast checker → · Palette generator →