#3F380B#3F380B

#3F380B is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.8% C 0.062 H 100.2°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX#3F380B
RGBrgb(63, 56, 11)
HSLhsl(52, 70%, 15%)
HSVhsv(52, 83%, 25%)
CMYKcmyk(0%, 11.1%, 82.5%, 75.3%)
CIE-LABlab(23.37, -2.96, 27.63)
CIE-LCHlch(23.37, 27.79, 96.12°)
OKLaboklab(33.84% -0.011 0.0612)
OKLCHoklch(33.84% 0.062 100.2)
XYZxyz(3.5246, 3.9094, 0.8855)
Luminance0.0391 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F380B #0B123F
analogous
#3F1E0B #3F380B #2C3F0B
triadic
#3F380B #0B3F38 #380B3F
tetradic
#3F380B #0B3F1E #0B123F #3F0B2C
square
#3F380B #0B3F1E #0B123F #3F0B2C
split-complementary
#3F380B #0B2C3F #1E0B3F
monochromatic
#1A1705 #1A1705 #3F380B #736614 #A7951D

Accessibility & contrast

On white

11.79
#3F380B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#3F380B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F380B
11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F380B#FFFFFF#000000##FFFFFF
##3F380B1.0011.791.7811.79
#FFFFFF11.791.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E3605
Deuteranopia (green-blind)
#40390E
Tritanopia (blue-blind)
#45332F
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #3f380b;
/* rgb */ color: rgb(63, 56, 11);
/* oklch */ color: oklch(33.8% 0.062 100.2);
Tailwind
colors: {
  custom: {
    50: '#766e4d',
    500: '#3f380b',
    950: '#000000',
  },
}
SCSS
$custom: #3f380b;
$custom-light: #766e4d;
$custom-dark: #000000;
JSON
{
  "hex": "#3f380b",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 11
  },
  "hsl": {
    "h": 51.923,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33839,
    "c": 0.0622,
    "h": 100.2
  },
  "luminance": 0.03909
}

Semantic roles & 50–950 ramp

primary
#3F380B
secondary
#2A357C
accent
#53ED3B
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #3F380B

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

Preview Lab → · Contrast checker → · Palette generator →

#3F380B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva