#391F0A#391F0A

#391F0A is a dark, muted orange. Relative luminance 0.019; OKLCH L 26.9% C 0.052 H 56.9°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX#391F0A
RGBrgb(57, 31, 10)
HSLhsl(27, 70%, 13%)
HSVhsv(27, 82%, 22%)
CMYKcmyk(0%, 45.6%, 82.5%, 77.6%)
CIE-LABlab(14.80, 10.43, 17.92)
CIE-LCHlch(14.80, 20.74, 59.81°)
OKLaboklab(26.94% 0.0283 0.0433)
OKLCHoklch(26.94% 0.052 56.9)
XYZxyz(2.2323, 1.8720, 0.5309)
Luminance0.0187 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#391F0A #0A2439
analogous
#390A0C #391F0A #39360A
triadic
#391F0A #0A391F #1F0A39
tetradic
#391F0A #0C390A #0A2439 #360A39
square
#391F0A #0C390A #0A2439 #360A39
split-complementary
#391F0A #0A3936 #0A0C39
monochromatic
#1A0E05 #1A0E05 #391F0A #6D3B13 #A1581C

Accessibility & contrast

On white

15.28
#391F0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.37
#391F0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F0A
15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##391F0A#FFFFFF#000000##FFFFFF
##391F0A1.0015.281.3715.28
#FFFFFF15.281.0021.001.00
#0000001.3721.001.0021.00
##FFFFFF15.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#272208
Deuteranopia (green-blind)
#2D280A
Tritanopia (blue-blind)
#3F191A
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #391f0a;
/* rgb */ color: rgb(57, 31, 10);
/* oklch */ color: oklch(26.9% 0.052 56.9);
Tailwind
colors: {
  custom: {
    50: '#725a4b',
    500: '#391f0a',
    950: '#000000',
  },
}
SCSS
$custom: #391f0a;
$custom-light: #725a4b;
$custom-dark: #000000;
JSON
{
  "hex": "#391f0a",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 10
  },
  "hsl": {
    "h": 26.809,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.26938,
    "c": 0.05171,
    "h": 56.9
  },
  "luminance": 0.01872
}

Semantic roles & 50–950 ramp

primary
#391F0A
secondary
#285476
accent
#9DED3B
background
#F7F5F4
surface
#EDE9E7
border
#C8C5C3
text
#080401
muted
#7B7977

Preview Lab

Preview with #391F0A

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

Preview Lab → · Contrast checker → · Palette generator →

#391F0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva