#311603#311603

#311603 is a very dark, muted orange. Relative luminance 0.012; OKLCH L 23.5% C 0.053 H 53.9°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX#311603
RGBrgb(49, 22, 3)
HSLhsl(25, 88%, 10%)
HSVhsv(25, 94%, 19%)
CMYKcmyk(0%, 55.1%, 93.9%, 80.8%)
CIE-LABlab(10.80, 11.81, 15.17)
CIE-LCHlch(10.80, 19.23, 52.09°)
OKLaboklab(23.54% 0.0314 0.0431)
OKLCHoklch(23.54% 0.053 53.9)
XYZxyz(1.5701, 1.2335, 0.2415)
Luminance0.0123 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#311603 #031E31
analogous
#310307 #311603 #312D03
triadic
#311603 #033116 #160331
tetradic
#311603 #073103 #031E31 #2D0331
square
#311603 #073103 #031E31 #2D0331
split-complementary
#311603 #03312D #030731
monochromatic
#1D0D02 #1D0D02 #311603 #6B3007 #A44A0A

Accessibility & contrast

On white

16.85
#311603 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#311603 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311603
16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##311603#FFFFFF#000000##FFFFFF
##3116031.0016.851.2516.85
#FFFFFF16.851.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E1901
Deuteranopia (green-blind)
#241F03
Tritanopia (blue-blind)
#371012
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #311603;
/* rgb */ color: rgb(49, 22, 3);
/* oklch */ color: oklch(23.5% 0.053 53.9);
Tailwind
colors: {
  custom: {
    50: '#6c5348',
    500: '#311603',
    950: '#000000',
  },
}
SCSS
$custom: #311603;
$custom-light: #6c5348;
$custom-dark: #000000;
JSON
{
  "hex": "#311603",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 3
  },
  "hsl": {
    "h": 24.783,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.23544,
    "c": 0.05331,
    "h": 53.9
  },
  "luminance": 0.01233
}

Semantic roles & 50–950 ramp

primary
#311603
secondary
#1B5074
accent
#A6FF29
background
#F6F4F4
surface
#ECE7E6
border
#C7C3C2
text
#070200
muted
#7A7877

Preview Lab

Preview with #311603

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

Preview Lab → · Contrast checker → · Palette generator →

#311603 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva