#311C01#311C01

#311C01 is a very dark, muted orange. Relative luminance 0.015; OKLCH L 24.9% C 0.052 H 69.8°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX#311C01
RGBrgb(49, 28, 1)
HSLhsl(34, 96%, 10%)
HSVhsv(34, 98%, 19%)
CMYKcmyk(0%, 42.9%, 98%, 80.8%)
CIE-LABlab(12.52, 7.52, 18.34)
CIE-LCHlch(12.52, 19.82, 67.71°)
OKLaboklab(24.86% 0.0181 0.0492)
OKLCHoklch(24.86% 0.052 69.8)
XYZxyz(1.6875, 1.4858, 0.2266)
Luminance0.0149 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#311C01 #011631
analogous
#310401 #311C01 #2E3101
triadic
#311C01 #01311C #1C0131
tetradic
#311C01 #013104 #011631 #31012E
square
#311C01 #013104 #011631 #31012E
split-complementary
#311C01 #012E31 #040131
monochromatic
#1E1101 #1E1101 #311C01 #6D3E02 #A96103

Accessibility & contrast

On white

16.19
#311C01 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.30
#311C01 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C01
16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##311C01#FFFFFF#000000##FFFFFF
##311C011.0016.191.3016.19
#FFFFFF16.191.0021.001.00
#0000001.3021.001.0021.00
##FFFFFF16.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#231E00
Deuteranopia (green-blind)
#282301
Tritanopia (blue-blind)
#371716
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #311c01;
/* rgb */ color: rgb(49, 28, 1);
/* oklch */ color: oklch(24.9% 0.052 69.8);
Tailwind
colors: {
  custom: {
    50: '#6b5847',
    500: '#311c01',
    950: '#000000',
  },
}
SCSS
$custom: #311c01;
$custom-light: #6b5847;
$custom-dark: #000000;
JSON
{
  "hex": "#311c01",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 1
  },
  "hsl": {
    "h": 33.75,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.2486,
    "c": 0.05241,
    "h": 69.8
  },
  "luminance": 0.01486
}

Semantic roles & 50–950 ramp

primary
#311C01
secondary
#174177
accent
#87FF29
background
#F6F5F3
surface
#EBE9E5
border
#C6C5C1
text
#070300
muted
#7A7877

Preview Lab

Preview with #311C01

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

Preview Lab → · Contrast checker → · Palette generator →

#311C01 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva