#391B0F#391B0F

#391B0F is a dark, muted orange. Relative luminance 0.017; OKLCH L 26.2% C 0.052 H 42.0°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX#391B0F
RGBrgb(57, 27, 15)
HSLhsl(17, 58%, 14%)
HSVhsv(17, 74%, 22%)
CMYKcmyk(0%, 52.6%, 73.7%, 77.6%)
CIE-LABlab(13.76, 13.48, 14.23)
CIE-LCHlch(13.76, 19.60, 46.55°)
OKLaboklab(26.16% 0.0385 0.0347)
OKLCHoklch(26.16% 0.052 42)
XYZxyz(2.1657, 1.6884, 0.6637)
Luminance0.0169 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#391B0F #0F2D39
analogous
#390F18 #391B0F #39300F
triadic
#391B0F #0F391B #1B0F39
tetradic
#391B0F #18390F #0F2D39 #300F39
square
#391B0F #18390F #0F2D39 #300F39
split-complementary
#391B0F #0F3930 #0F1839
monochromatic
#180B06 #180B06 #391B0F #69321C #9A4929

Accessibility & contrast

On white

15.70
#391B0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.34
#391B0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B0F
15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##391B0F#FFFFFF#000000##FFFFFF
##391B0F1.0015.701.3415.70
#FFFFFF15.701.0021.001.00
#0000001.3421.001.0021.00
##FFFFFF15.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#231F0E
Deuteranopia (green-blind)
#2A260F
Tritanopia (blue-blind)
#3F1518
Achromatopsia (no color)
#232323

Design tokens & code

CSS
--color: #391b0f;
/* rgb */ color: rgb(57, 27, 15);
/* oklch */ color: oklch(26.2% 0.052 42.0);
Tailwind
colors: {
  custom: {
    50: '#72574e',
    500: '#391b0f',
    950: '#000000',
  },
}
SCSS
$custom: #391b0f;
$custom-light: #72574e;
$custom-dark: #000000;
JSON
{
  "hex": "#391b0f",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 15
  },
  "hsl": {
    "h": 17.143,
    "s": 58.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2616,
    "c": 0.05183,
    "h": 42
  },
  "luminance": 0.01688
}

Semantic roles & 50–950 ramp

primary
#391B0F
secondary
#306073
accent
#B5E246
background
#F7F5F4
surface
#EDE9E7
border
#C8C5C3
text
#080301
muted
#7B7877

Preview Lab

Preview with #391B0F

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

Preview Lab → · Contrast checker → · Palette generator →

#391B0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva