#03310B#03310B

#03310B is a dark, moderate green. Relative luminance 0.022; OKLCH L 27.4% C 0.080 H 145.7°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX#03310B
RGBrgb(3, 49, 11)
HSLhsl(130, 88%, 10%)
HSVhsv(130, 94%, 19%)
CMYKcmyk(93.9%, 0%, 77.6%, 80.8%)
CIE-LABlab(16.70, -24.64, 18.98)
CIE-LCHlch(16.70, 31.11, 142.39°)
OKLaboklab(27.38% -0.0664 0.0452)
OKLCHoklch(27.38% 0.08 145.7)
XYZxyz(1.1962, 2.2400, 0.6859)
Luminance0.0224 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#03310B #310329
analogous
#123103 #03310B #033122
triadic
#03310B #0B0331 #310B03
tetradic
#03310B #031231 #310329 #312203
square
#03310B #031231 #310329 #312203
split-complementary
#03310B #220331 #310312
monochromatic
#021D06 #021D06 #03310B #076B18 #0AA425

Accessibility & contrast

On white

14.50
#03310B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.45
#03310B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03310B
14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##03310B#FFFFFF#000000##FFFFFF
##03310B1.0014.501.4514.50
#FFFFFF14.501.0021.001.00
#0000001.4521.001.0021.00
##FFFFFF14.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#322B07
Deuteranopia (green-blind)
#2D280E
Tritanopia (blue-blind)
#003029
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #03310b;
/* rgb */ color: rgb(3, 49, 11);
/* oklch */ color: oklch(27.4% 0.080 145.7);
Tailwind
colors: {
  custom: {
    50: '#4c6a4c',
    500: '#03310b',
    950: '#000000',
  },
}
SCSS
$custom: #03310b;
$custom-light: #4c6a4c;
$custom-dark: #000000;
JSON
{
  "hex": "#03310b",
  "rgb": {
    "r": 3,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 130.435,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.27377,
    "c": 0.08029,
    "h": 145.7
  },
  "luminance": 0.0224
}

Semantic roles & 50–950 ramp

primary
#03310B
secondary
#741B65
accent
#29D9FF
background
#F4F6F4
surface
#E7EBE7
border
#C3C6C3
text
#010601
muted
#777A77

Preview Lab

Preview with #03310B

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

Preview Lab → · Contrast checker → · Palette generator →

#03310B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva