#311903#311903

#311903 is a very dark, muted orange. Relative luminance 0.014; OKLCH L 24.2% C 0.051 H 60.5°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX#311903
RGBrgb(49, 25, 3)
HSLhsl(29, 88%, 10%)
HSVhsv(29, 94%, 19%)
CMYKcmyk(0%, 49%, 93.9%, 80.8%)
CIE-LABlab(11.65, 9.76, 16.35)
CIE-LCHlch(11.65, 19.04, 59.17°)
OKLaboklab(24.2% 0.0253 0.0447)
OKLCHoklch(24.2% 0.051 60.5)
XYZxyz(1.6308, 1.3550, 0.2618)
Luminance0.0135 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#311903 #031B31
analogous
#310304 #311903 #313003
triadic
#311903 #033119 #190331
tetradic
#311903 #043103 #031B31 #300331
square
#311903 #043103 #031B31 #300331
split-complementary
#311903 #033130 #030431
monochromatic
#1D0F02 #1D0F02 #311903 #6B3607 #A4540A

Accessibility & contrast

On white

16.52
#311903 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#311903 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311903
16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##311903#FFFFFF#000000##FFFFFF
##3119031.0016.521.2716.52
#FFFFFF16.521.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#201B01
Deuteranopia (green-blind)
#262103
Tritanopia (blue-blind)
#371414
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #311903;
/* rgb */ color: rgb(49, 25, 3);
/* oklch */ color: oklch(24.2% 0.051 60.5);
Tailwind
colors: {
  custom: {
    50: '#6b5548',
    500: '#311903',
    950: '#000000',
  },
}
SCSS
$custom: #311903;
$custom-light: #6b5548;
$custom-dark: #000000;
JSON
{
  "hex": "#311903",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 3
  },
  "hsl": {
    "h": 28.696,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.242,
    "c": 0.05141,
    "h": 60.5
  },
  "luminance": 0.01355
}

Semantic roles & 50–950 ramp

primary
#311903
secondary
#1B4A74
accent
#99FF29
background
#F6F5F4
surface
#EBE8E6
border
#C6C4C2
text
#070300
muted
#7A7877

Preview Lab

Preview with #311903

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

Preview Lab → · Contrast checker → · Palette generator →

#311903 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva