#3F3804#3F3804

#3F3804 is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.8% C 0.067 H 101.1°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX#3F3804
RGBrgb(63, 56, 4)
HSLhsl(53, 88%, 13%)
HSVhsv(53, 94%, 25%)
CMYKcmyk(0%, 11.1%, 93.7%, 75.3%)
CIE-LABlab(23.32, -3.35, 30.44)
CIE-LCHlch(23.32, 30.62, 96.27°)
OKLaboklab(33.78% -0.013 0.0662)
OKLCHoklch(33.78% 0.067 101.1)
XYZxyz(3.4862, 3.8940, 0.6828)
Luminance0.0389 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3804 #040B3F
analogous
#3F1A04 #3F3804 #283F04
triadic
#3F3804 #043F38 #38043F
tetradic
#3F3804 #043F1A #040B3F #3F0428
square
#3F3804 #043F1A #040B3F #3F0428
split-complementary
#3F3804 #04283F #1A043F
monochromatic
#1D1A02 #1D1A02 #3F3804 #796B08 #B29E0B

Accessibility & contrast

On white

11.81
#3F3804 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#3F3804 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3804
11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3804#FFFFFF#000000##FFFFFF
##3F38041.0011.811.7811.81
#FFFFFF11.811.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F3600
Deuteranopia (green-blind)
#403908
Tritanopia (blue-blind)
#45332F
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #3f3804;
/* rgb */ color: rgb(63, 56, 4);
/* oklch */ color: oklch(33.8% 0.067 101.1);
Tailwind
colors: {
  custom: {
    50: '#776e4a',
    500: '#3f3804',
    950: '#000000',
  },
}
SCSS
$custom: #3f3804;
$custom-light: #776e4a;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3804",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 4
  },
  "hsl": {
    "h": 52.881,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.33782,
    "c": 0.06743,
    "h": 101.1
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary
#3F3804
secondary
#1E2A80
accent
#43FE2A
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #3F3804

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3804 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva