#3F330B#3F330B

#3F330B is a dark, muted yellow. Relative luminance 0.034; OKLCH L 32.6% C 0.058 H 91.8°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX#3F330B
RGBrgb(63, 51, 11)
HSLhsl(46, 70%, 15%)
HSVhsv(46, 83%, 25%)
CMYKcmyk(0%, 19%, 82.5%, 75.3%)
CIE-LABlab(21.76, 0.27, 25.95)
CIE-LCHlch(21.76, 25.95, 89.40°)
OKLaboklab(32.56% -0.0018 0.0579)
OKLCHoklch(32.56% 0.058 91.8)
XYZxyz(3.2943, 3.4488, 0.8087)
Luminance0.0345 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F330B #0B173F
analogous
#3F190B #3F330B #313F0B
triadic
#3F330B #0B3F33 #330B3F
tetradic
#3F330B #0B3F19 #0B173F #3F0B31
square
#3F330B #0B3F19 #0B173F #3F0B31
split-complementary
#3F330B #0B313F #190B3F
monochromatic
#1A1505 #1A1505 #3F330B #735D14 #A7871D

Accessibility & contrast

On white

12.43
#3F330B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#3F330B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F330B
12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F330B#FFFFFF#000000##FFFFFF
##3F330B1.0012.431.6912.43
#FFFFFF12.431.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A3206
Deuteranopia (green-blind)
#3D360D
Tritanopia (blue-blind)
#452E2B
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #3f330b;
/* rgb */ color: rgb(63, 51, 11);
/* oklch */ color: oklch(32.6% 0.058 91.8);
Tailwind
colors: {
  custom: {
    50: '#766a4d',
    500: '#3f330b',
    950: '#000000',
  },
}
SCSS
$custom: #3f330b;
$custom-light: #766a4d;
$custom-dark: #000000;
JSON
{
  "hex": "#3f330b",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 11
  },
  "hsl": {
    "h": 46.154,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.32564,
    "c": 0.0579,
    "h": 91.8
  },
  "luminance": 0.03449
}

Semantic roles & 50–950 ramp

primary
#3F330B
secondary
#2A3D7C
accent
#64ED3B
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090601
muted
#7B7A77

Preview Lab

Preview with #3F330B

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

Preview Lab → · Contrast checker → · Palette generator →

#3F330B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva