#3F310D#3F310D

#3F310D is a dark, muted orange. Relative luminance 0.033; OKLCH L 32.1% C 0.055 H 87.2°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX#3F310D
RGBrgb(63, 49, 13)
HSLhsl(43, 66%, 15%)
HSVhsv(43, 79%, 25%)
CMYKcmyk(0%, 22.2%, 79.4%, 75.3%)
CIE-LABlab(21.14, 1.71, 24.37)
CIE-LCHlch(21.14, 24.43, 85.99°)
OKLaboklab(32.08% 0.0027 0.0549)
OKLCHoklch(32.08% 0.055 87.2)
XYZxyz(3.2210, 3.2827, 0.8447)
Luminance0.0328 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F310D #0D1B3F
analogous
#3F180D #3F310D #343F0D
triadic
#3F310D #0D3F31 #310D3F
tetradic
#3F310D #0D3F18 #0D1B3F #3F0D34
square
#3F310D #0D3F18 #0D1B3F #3F0D34
split-complementary
#3F310D #0D343F #180D3F
monochromatic
#191405 #191405 #3F310D #725817 #A48022

Accessibility & contrast

On white

12.68
#3F310D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.66
#3F310D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F310D
12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F310D#FFFFFF#000000##FFFFFF
##3F310D1.0012.681.6612.68
#FFFFFF12.681.0021.001.00
#0000001.6621.001.0021.00
##FFFFFF12.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383108
Deuteranopia (green-blind)
#3B340F
Tritanopia (blue-blind)
#452C2A
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #3f310d;
/* rgb */ color: rgb(63, 49, 13);
/* oklch */ color: oklch(32.1% 0.055 87.2);
Tailwind
colors: {
  custom: {
    50: '#76684e',
    500: '#3f310d',
    950: '#000000',
  },
}
SCSS
$custom: #3f310d;
$custom-light: #76684e;
$custom-dark: #000000;
JSON
{
  "hex": "#3f310d",
  "rgb": {
    "r": 63,
    "g": 49,
    "b": 13
  },
  "hsl": {
    "h": 43.2,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.32084,
    "c": 0.05492,
    "h": 87.2
  },
  "luminance": 0.03282
}

Semantic roles & 50–950 ramp

primary
#3F310D
secondary
#2D437B
accent
#6FE93F
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090601
muted
#7B7A77

Preview Lab

Preview with #3F310D

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

Preview Lab → · Contrast checker → · Palette generator →

#3F310D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva