#423B05#423B05

#423B05 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.069 H 101.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX#423B05
RGBrgb(66, 59, 5)
HSLhsl(53, 86%, 14%)
HSVhsv(53, 92%, 26%)
CMYKcmyk(0%, 10.6%, 92.4%, 74.1%)
CIE-LABlab(24.63, -3.59, 31.44)
CIE-LCHlch(24.63, 31.65, 96.52°)
OKLaboklab(34.91% -0.0137 0.068)
OKLCHoklch(34.91% 0.069 101.4)
XYZxyz(3.8383, 4.2973, 0.7708)
Luminance0.0430 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423B05 #050C42
analogous
#421D05 #423B05 #2B4205
triadic
#423B05 #05423B #3B0542
tetradic
#423B05 #05421D #050C42 #42052B
square
#423B05 #05421D #050C42 #42052B
split-complementary
#423B05 #052B42 #1D0542
monochromatic
#1C1902 #1C1902 #423B05 #7B6E09 #B4A10E

Accessibility & contrast

On white

11.29
#423B05 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#423B05 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B05
11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423B05#FFFFFF#000000##FFFFFF
##423B051.0011.291.8611.29
#FFFFFF11.291.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#423900
Deuteranopia (green-blind)
#443C09
Tritanopia (blue-blind)
#483631
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #423b05;
/* rgb */ color: rgb(66, 59, 5);
/* oklch */ color: oklch(34.9% 0.069 101.4);
Tailwind
colors: {
  custom: {
    50: '#79704b',
    500: '#423b05',
    950: '#000000',
  },
}
SCSS
$custom: #423b05;
$custom-light: #79704b;
$custom-dark: #000000;
JSON
{
  "hex": "#423b05",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 53.115,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.34905,
    "c": 0.06934,
    "h": 101.4
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary
#423B05
secondary
#202C82
accent
#44FC2C
background
#F7F6F4
surface
#EEECE7
border
#C9C7C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #423B05

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

Preview Lab → · Contrast checker → · Palette generator →

#423B05 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva