#03311B#03311B

#03311B is a dark, moderate teal. Relative luminance 0.023; OKLCH L 27.7% C 0.063 H 156.9°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX#03311B
RGBrgb(3, 49, 27)
HSLhsl(151, 88%, 10%)
HSVhsv(151, 94%, 19%)
CMYKcmyk(93.9%, 0%, 44.9%, 80.8%)
CIE-LABlab(16.96, -21.49, 9.88)
CIE-LCHlch(16.96, 23.65, 155.32°)
OKLaboklab(27.68% -0.058 0.0247)
OKLCHoklch(27.68% 0.063 156.9)
XYZxyz(1.3336, 2.2949, 1.4094)
Luminance0.0230 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#03311B #310319
analogous
#033104 #03311B #033031
triadic
#03311B #1B0331 #311B03
tetradic
#03311B #040331 #310319 #303103
square
#03311B #040331 #310319 #303103
split-complementary
#03311B #310330 #310403
monochromatic
#021D10 #021D10 #03311B #076B3B #0AA45B

Accessibility & contrast

On white

14.39
#03311B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.46
#03311B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03311B
14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##03311B#FFFFFF#000000##FFFFFF
##03311B1.0014.391.4614.39
#FFFFFF14.391.0021.001.00
#0000001.4621.001.0021.00
##FFFFFF14.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#312C1A
Deuteranopia (green-blind)
#2B281C
Tritanopia (blue-blind)
#00312B
Achromatopsia (no color)
#2A2A2A

Design tokens & code

CSS
--color: #03311b;
/* rgb */ color: rgb(3, 49, 27);
/* oklch */ color: oklch(27.7% 0.063 156.9);
Tailwind
colors: {
  custom: {
    50: '#4c6957',
    500: '#03311b',
    950: '#000000',
  },
}
SCSS
$custom: #03311b;
$custom-light: #4c6957;
$custom-dark: #000000;
JSON
{
  "hex": "#03311b",
  "rgb": {
    "r": 3,
    "g": 49,
    "b": 27
  },
  "hsl": {
    "h": 151.304,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.27683,
    "c": 0.06305,
    "h": 156.9
  },
  "luminance": 0.02295
}

Semantic roles & 50–950 ramp

primary
#03311B
secondary
#741B46
accent
#298FFF
background
#F4F6F5
surface
#E7EBE9
border
#C3C6C5
text
#010603
muted
#777A78

Preview Lab

Preview with #03311B

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

Preview Lab → · Contrast checker → · Palette generator →

#03311B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva