#3F310A#3F310A

#3F310A is a dark, muted orange. Relative luminance 0.033; OKLCH L 32.1% C 0.057 H 88.3°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX#3F310A
RGBrgb(63, 49, 10)
HSLhsl(44, 73%, 14%)
HSVhsv(44, 84%, 25%)
CMYKcmyk(0%, 22.2%, 84.1%, 75.3%)
CIE-LABlab(21.12, 1.53, 25.67)
CIE-LCHlch(21.12, 25.71, 86.60°)
OKLaboklab(32.05% 0.0017 0.0573)
OKLCHoklch(32.05% 0.057 88.3)
XYZxyz(3.2032, 3.2755, 0.7506)
Luminance0.0328 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F310A #0A183F
analogous
#3F170A #3F310A #333F0A
triadic
#3F310A #0A3F31 #310A3F
tetradic
#3F310A #0A3F17 #0A183F #3F0A33
square
#3F310A #0A3F17 #0A183F #3F0A33
split-complementary
#3F310A #0A333F #170A3F
monochromatic
#1A1504 #1A1504 #3F310A #745A12 #A9831B

Accessibility & contrast

On white

12.69
#3F310A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.66
#3F310A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F310A
12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F310A#FFFFFF#000000##FFFFFF
##3F310A1.0012.691.6612.69
#FFFFFF12.691.0021.001.00
#0000001.6621.001.0021.00
##FFFFFF12.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383105
Deuteranopia (green-blind)
#3B340C
Tritanopia (blue-blind)
#452C29
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #3f310a;
/* rgb */ color: rgb(63, 49, 10);
/* oklch */ color: oklch(32.1% 0.057 88.3);
Tailwind
colors: {
  custom: {
    50: '#77684c',
    500: '#3f310a',
    950: '#000000',
  },
}
SCSS
$custom: #3f310a;
$custom-light: #77684c;
$custom-dark: #000000;
JSON
{
  "hex": "#3f310a",
  "rgb": {
    "r": 63,
    "g": 49,
    "b": 10
  },
  "hsl": {
    "h": 44.151,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.32054,
    "c": 0.05734,
    "h": 88.3
  },
  "luminance": 0.03275
}

Semantic roles & 50–950 ramp

primary
#3F310A
secondary
#293F7C
accent
#69EF38
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090601
muted
#7B7A77

Preview Lab

Preview with #3F310A

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

Preview Lab → · Contrast checker → · Palette generator →

#3F310A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva