#3B370B#3B370B

#3B370B is a dark, moderate yellow. Relative luminance 0.037; OKLCH L 33.1% C 0.061 H 104.1°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX#3B370B
RGBrgb(59, 55, 11)
HSLhsl(55, 69%, 14%)
HSVhsv(55, 81%, 23%)
CMYKcmyk(0%, 6.8%, 81.4%, 76.9%)
CIE-LABlab(22.61, -4.45, 26.71)
CIE-LCHlch(22.61, 27.07, 99.46°)
OKLaboklab(33.13% -0.0149 0.0595)
OKLCHoklch(33.13% 0.061 104.1)
XYZxyz(3.2304, 3.6865, 0.8579)
Luminance0.0369 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B370B #0B0F3B
analogous
#3B1F0B #3B370B #273B0B
triadic
#3B370B #0B3B37 #370B3B
tetradic
#3B370B #0B3B1F #0B0F3B #3B0B27
square
#3B370B #0B3B1F #0B0F3B #3B0B27
split-complementary
#3B370B #0B273B #1F0B3B
monochromatic
#1A1805 #1A1805 #3B370B #6F6715 #A2971E

Accessibility & contrast

On white

12.09
#3B370B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#3B370B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B370B
12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B370B#FFFFFF#000000##FFFFFF
##3B370B1.0012.091.7412.09
#FFFFFF12.091.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D3505
Deuteranopia (green-blind)
#3E370E
Tritanopia (blue-blind)
#40332E
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #3b370b;
/* rgb */ color: rgb(59, 55, 11);
/* oklch */ color: oklch(33.1% 0.061 104.1);
Tailwind
colors: {
  custom: {
    50: '#736d4d',
    500: '#3b370b',
    950: '#000000',
  },
}
SCSS
$custom: #3b370b;
$custom-light: #736d4d;
$custom-dark: #000000;
JSON
{
  "hex": "#3b370b",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 55,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.33129,
    "c": 0.06135,
    "h": 104.1
  },
  "luminance": 0.03686
}

Semantic roles & 50–950 ramp

primary
#3B370B
secondary
#2A3178
accent
#4BEB3C
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#080701
muted
#7B7A77

Preview Lab

Preview with #3B370B

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

Preview Lab → · Contrast checker → · Palette generator →

#3B370B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva