#423C09#423C09

#423C09 is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.2% C 0.067 H 102.3°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX#423C09
RGBrgb(66, 60, 9)
HSLhsl(54, 76%, 15%)
HSVhsv(54, 86%, 26%)
CMYKcmyk(0%, 9.1%, 86.4%, 74.1%)
CIE-LABlab(24.98, -4.02, 30.15)
CIE-LCHlch(24.98, 30.42, 97.59°)
OKLaboklab(35.19% -0.0144 0.0659)
OKLCHoklch(35.19% 0.067 102.3)
XYZxyz(3.9121, 4.4099, 0.9035)
Luminance0.0441 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423C09 #090F42
analogous
#422009 #423C09 #2C4209
triadic
#423C09 #09423C #3C0942
tetradic
#423C09 #094220 #090F42 #42092C
square
#423C09 #094220 #090F42 #42092C
split-complementary
#423C09 #092C42 #200942
monochromatic
#1B1804 #1B1804 #423C09 #786D10 #AE9E18

Accessibility & contrast

On white

11.16
#423C09 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#423C09 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423C09
11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423C09#FFFFFF#000000##FFFFFF
##423C091.0011.161.8811.16
#FFFFFF11.161.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#423A02
Deuteranopia (green-blind)
#443C0D
Tritanopia (blue-blind)
#483732
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #423c09;
/* rgb */ color: rgb(66, 60, 9);
/* oklch */ color: oklch(35.2% 0.067 102.3);
Tailwind
colors: {
  custom: {
    50: '#79714d',
    500: '#423c09',
    950: '#000000',
  },
}
SCSS
$custom: #423c09;
$custom-light: #79714d;
$custom-dark: #000000;
JSON
{
  "hex": "#423c09",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 9
  },
  "hsl": {
    "h": 53.684,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.35193,
    "c": 0.06749,
    "h": 102.3
  },
  "luminance": 0.0441
}

Semantic roles & 50–950 ramp

primary
#423C09
secondary
#273080
accent
#49F335
background
#F7F6F4
surface
#EEECE7
border
#C9C7C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #423C09

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

Preview Lab → · Contrast checker → · Palette generator →

#423C09 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva