#3F310F#3F310F

#3F310F is a dark, muted orange. Relative luminance 0.033; OKLCH L 32.1% C 0.053 H 86.4°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX#3F310F
RGBrgb(63, 49, 15)
HSLhsl(43, 62%, 15%)
HSVhsv(43, 76%, 25%)
CMYKcmyk(0%, 22.2%, 76.2%, 75.3%)
CIE-LABlab(21.16, 1.85, 23.38)
CIE-LCHlch(21.16, 23.46, 85.48°)
OKLaboklab(32.11% 0.0034 0.0531)
OKLCHoklch(32.11% 0.053 86.4)
XYZxyz(3.2346, 3.2881, 0.9161)
Luminance0.0329 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F310F #0F1D3F
analogous
#3F190F #3F310F #353F0F
triadic
#3F310F #0F3F31 #310F3F
tetradic
#3F310F #0F3F19 #0F1D3F #3F0F35
square
#3F310F #0F3F19 #0F1D3F #3F0F35
split-complementary
#3F310F #0F353F #190F3F
monochromatic
#191306 #191306 #3F310F #70571B #A27E27

Accessibility & contrast

On white

12.67
#3F310F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.66
#3F310F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F310F
12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F310F#FFFFFF#000000##FFFFFF
##3F310F1.0012.671.6612.67
#FFFFFF12.671.0021.001.00
#0000001.6621.001.0021.00
##FFFFFF12.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38310B
Deuteranopia (green-blind)
#3B3410
Tritanopia (blue-blind)
#452C2A
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #3f310f;
/* rgb */ color: rgb(63, 49, 15);
/* oklch */ color: oklch(32.1% 0.053 86.4);
Tailwind
colors: {
  custom: {
    50: '#76684f',
    500: '#3f310f',
    950: '#000000',
  },
}
SCSS
$custom: #3f310f;
$custom-light: #76684f;
$custom-dark: #000000;
JSON
{
  "hex": "#3f310f",
  "rgb": {
    "r": 63,
    "g": 49,
    "b": 15
  },
  "hsl": {
    "h": 42.5,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.32107,
    "c": 0.05316,
    "h": 86.4
  },
  "luminance": 0.03288
}

Semantic roles & 50–950 ramp

primary
#3F310F
secondary
#304679
accent
#72E543
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090602
muted
#7B7A78

Preview Lab

Preview with #3F310F

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

Preview Lab → · Contrast checker → · Palette generator →

#3F310F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva