#423F08#423F08

#423F08 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 36.0% C 0.071 H 106.2°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX#423F08
RGBrgb(66, 63, 8)
HSLhsl(57, 78%, 15%)
HSVhsv(57, 88%, 26%)
CMYKcmyk(0%, 4.5%, 87.9%, 74.1%)
CIE-LABlab(25.95, -5.93, 31.47)
CIE-LCHlch(25.95, 32.02, 100.68°)
OKLaboklab(35.96% -0.0199 0.0685)
OKLCHoklch(35.96% 0.071 106.2)
XYZxyz(4.0683, 4.7309, 0.9285)
Luminance0.0473 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423F08 #080B42
analogous
#422208 #423F08 #284208
triadic
#423F08 #08423F #3F0842
tetradic
#423F08 #084222 #080B42 #420828
square
#423F08 #084222 #080B42 #420828
split-complementary
#423F08 #082842 #220842
monochromatic
#1B1A03 #1B1A03 #423F08 #79730F #AFA715

Accessibility & contrast

On white

10.79
#423F08 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#423F08 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F08
10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423F08#FFFFFF#000000##FFFFFF
##423F081.0010.791.9510.79
#FFFFFF10.791.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#453C00
Deuteranopia (green-blind)
#473E0C
Tritanopia (blue-blind)
#483A35
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #423f08;
/* rgb */ color: rgb(66, 63, 8);
/* oklch */ color: oklch(36.0% 0.071 106.2);
Tailwind
colors: {
  custom: {
    50: '#79734d',
    500: '#423f08',
    950: '#000000',
  },
}
SCSS
$custom: #423f08;
$custom-light: #79734d;
$custom-dark: #000000;
JSON
{
  "hex": "#423f08",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 8
  },
  "hsl": {
    "h": 56.897,
    "s": 78.378,
    "l": 14.51
  },
  "oklch": {
    "l": 0.35964,
    "c": 0.0713,
    "h": 106.2
  },
  "luminance": 0.04731
}

Semantic roles & 50–950 ramp

primary
#423F08
secondary
#252A80
accent
#3DF533
background
#F7F6F4
surface
#EEECE7
border
#C9C7C3
text
#090801
muted
#7B7B77

Preview Lab

Preview with #423F08

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

Preview Lab → · Contrast checker → · Palette generator →

#423F08 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva