#373B05#373B05

#373B05 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 33.7% C 0.072 H 114.0°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX#373B05
RGBrgb(55, 59, 5)
HSLhsl(64, 84%, 13%)
HSVhsv(64, 92%, 23%)
CMYKcmyk(6.8%, 0%, 91.5%, 76.9%)
CIE-LABlab(23.51, -9.41, 29.96)
CIE-LCHlch(23.51, 31.40, 107.43°)
OKLaboklab(33.74% -0.0292 0.0655)
OKLCHoklch(33.74% 0.072 114)
XYZxyz(3.1670, 3.9512, 0.7394)
Luminance0.0395 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373B05 #09053B
analogous
#3B2405 #373B05 #1C3B05
triadic
#373B05 #05373B #3B0537
tetradic
#373B05 #053B24 #09053B #3B051C
square
#373B05 #053B24 #09053B #3B051C
split-complementary
#373B05 #051C3B #24053B
monochromatic
#1A1C02 #1A1C02 #373B05 #6C730A #A0AC0F

Accessibility & contrast

On white

11.73
#373B05 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#373B05 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373B05
11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373B05#FFFFFF#000000##FFFFFF
##373B051.0011.731.7911.73
#FFFFFF11.731.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#403800
Deuteranopia (green-blind)
#40380A
Tritanopia (blue-blind)
#3B3731
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #373b05;
/* rgb */ color: rgb(55, 59, 5);
/* oklch */ color: oklch(33.7% 0.072 114.0);
Tailwind
colors: {
  custom: {
    50: '#70704b',
    500: '#373b05',
    950: '#000000',
  },
}
SCSS
$custom: #373b05;
$custom-light: #70704b;
$custom-dark: #000000;
JSON
{
  "hex": "#373b05",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 64.444,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.33738,
    "c": 0.07176,
    "h": 114
  },
  "luminance": 0.03951
}

Semantic roles & 50–950 ramp

primary
#373B05
secondary
#27207C
accent
#2DFB3C
background
#F6F6F4
surface
#ECECE7
border
#C7C7C3
text
#080701
muted
#7B7A77

Preview Lab

Preview with #373B05

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

Preview Lab → · Contrast checker → · Palette generator →

#373B05 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva