#0A370B#0A370B

#0A370B is a dark, moderate green. Relative luminance 0.028; OKLCH L 29.6% C 0.086 H 143.3°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#0A370B
RGB	rgb(10, 55, 11)
HSL	hsl(121, 69%, 13%)
HSV	hsv(121, 82%, 22%)
CMYK	cmyk(81.8%, 0%, 80%, 78.4%)
CIE-LAB	lab(19.31, -25.37, 22.15)
CIE-LCH	lch(19.31, 33.67, 138.87°)
OKLab	oklab(29.6% -0.0688 0.0513)
OKLCH	oklch(29.6% 0.086 143.3)
XYZ	xyz(1.5517, 2.8209, 0.7793)
Luminance	0.0282 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 5.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A370B #370A36

analogous

#20370A #0A370B #0A3721

triadic

#0A370B #0B0A37 #370B0A

tetradic

#0A370B #0A2037 #370A36 #37210A

square

#0A370B #0A2037 #370A36 #37210A

split-complementary

#0A370B #210A37 #370A20

monochromatic

#051A05 #051A05 #0A370B #136B15 #1D9F20

Accessibility & contrast

On white

13.43

#0A370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0A370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A370B

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A370B	#FFFFFF	#000000	##FFFFFF
##0A370B	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383106

Deuteranopia (green-blind)

#332D0F

Tritanopia (blue-blind)

#01352E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a370b;
/* rgb */ color: rgb(10, 55, 11);
/* oklch */ color: oklch(29.6% 0.086 143.3);

Tailwind

colors: {
  custom: {
    50: '#516e4d',
    500: '#0a370b',
    950: '#000000',
  },
}

SCSS

$custom: #0a370b;
$custom-light: #516e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a370b",
  "rgb": {
    "r": 10,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 121.333,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.29604,
    "c": 0.08582,
    "h": 143.3
  },
  "luminance": 0.02821
}

Semantic roles & 50–950 ramp

primary

#0A370B

secondary

#742873

accent

#3CE8EC

background

#F4F6F4

surface

#E7ECE7

border

#C3C7C3

text

#020701

muted

#787A77

Preview Lab

Preview with #0A370B

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

Preview Lab → · Contrast checker → · Palette generator →