#423B0F#423B0F

#423B0F is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.062 H 100.1°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX#423B0F
RGBrgb(66, 59, 15)
HSLhsl(52, 63%, 16%)
HSVhsv(52, 77%, 26%)
CMYKcmyk(0%, 10.6%, 77.3%, 74.1%)
CIE-LABlab(24.70, -3.04, 27.20)
CIE-LCHlch(24.70, 27.37, 96.37°)
OKLaboklab(34.99% -0.0109 0.061)
OKLCHoklch(34.99% 0.062 100.1)
XYZxyz(3.8971, 4.3208, 1.0806)
Luminance0.0432 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423B0F #0F1642
analogous
#42210F #423B0F #2F420F
triadic
#423B0F #0F423B #3B0F42
tetradic
#423B0F #0F4221 #0F1642 #420F2F
square
#423B0F #0F4221 #0F1642 #420F2F
split-complementary
#423B0F #0F2F42 #210F42
monochromatic
#191606 #191606 #423B0F #74681A #A69426

Accessibility & contrast

On white

11.26
#423B0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#423B0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B0F
11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423B0F#FFFFFF#000000##FFFFFF
##423B0F1.0011.261.8611.26
#FFFFFF11.261.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#413909
Deuteranopia (green-blind)
#433C12
Tritanopia (blue-blind)
#483632
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #423b0f;
/* rgb */ color: rgb(66, 59, 15);
/* oklch */ color: oklch(35.0% 0.062 100.1);
Tailwind
colors: {
  custom: {
    50: '#787050',
    500: '#423b0f',
    950: '#000000',
  },
}
SCSS
$custom: #423b0f;
$custom-light: #787050;
$custom-dark: #000000;
JSON
{
  "hex": "#423b0f",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 15
  },
  "hsl": {
    "h": 51.765,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.34987,
    "c": 0.06195,
    "h": 100.1
  },
  "luminance": 0.04321
}

Semantic roles & 50–950 ramp

primary
#423B0F
secondary
#303B7C
accent
#58E642
background
#F7F6F4
surface
#EDECE7
border
#C8C7C3
text
#090702
muted
#7B7A78

Preview Lab

Preview with #423B0F

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

Preview Lab → · Contrast checker → · Palette generator →

#423B0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva