#391B04#391B04

#391B04 is a dark, muted orange. Relative luminance 0.017; OKLCH L 26.0% C 0.058 H 54.7°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX#391B04
RGBrgb(57, 27, 4)
HSLhsl(26, 87%, 12%)
HSVhsv(26, 93%, 22%)
CMYKcmyk(0%, 52.6%, 93%, 77.6%)
CIE-LABlab(13.61, 12.72, 18.81)
CIE-LCHlch(13.61, 22.71, 55.94°)
OKLaboklab(26% 0.0337 0.0476)
OKLCHoklch(26% 0.058 54.7)
XYZxyz(2.1014, 1.6627, 0.3251)
Luminance0.0166 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#391B04 #042239
analogous
#390407 #391B04 #393604
triadic
#391B04 #04391B #1B0439
tetradic
#391B04 #073904 #042239 #360439
square
#391B04 #073904 #042239 #360439
split-complementary
#391B04 #043936 #040739
monochromatic
#1D0E02 #1D0E02 #391B04 #723608 #AB510C

Accessibility & contrast

On white

15.76
#391B04 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.33
#391B04 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B04
15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##391B04#FFFFFF#000000##FFFFFF
##391B041.0015.761.3315.76
#FFFFFF15.761.0021.001.00
#0000001.3321.001.0021.00
##FFFFFF15.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#241F02
Deuteranopia (green-blind)
#2B2504
Tritanopia (blue-blind)
#3F1416
Achromatopsia (no color)
#232323

Design tokens & code

CSS
--color: #391b04;
/* rgb */ color: rgb(57, 27, 4);
/* oklch */ color: oklch(26.0% 0.058 54.7);
Tailwind
colors: {
  custom: {
    50: '#735748',
    500: '#391b04',
    950: '#000000',
  },
}
SCSS
$custom: #391b04;
$custom-light: #735748;
$custom-dark: #000000;
JSON
{
  "hex": "#391b04",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 4
  },
  "hsl": {
    "h": 26.038,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.25995,
    "c": 0.05835,
    "h": 54.7
  },
  "luminance": 0.01662
}

Semantic roles & 50–950 ramp

primary
#391B04
secondary
#1E537B
accent
#A2FD2B
background
#F7F5F4
surface
#EDE9E6
border
#C8C5C2
text
#080300
muted
#7B7877

Preview Lab

Preview with #391B04

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

Preview Lab → · Contrast checker → · Palette generator →

#391B04 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva