#423F0E#423F0E

#423F0E is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 36.0% C 0.067 H 105.8°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX#423F0E
RGBrgb(66, 63, 14)
HSLhsl(57, 65%, 16%)
HSVhsv(57, 79%, 26%)
CMYKcmyk(0%, 4.5%, 78.8%, 74.1%)
CIE-LABlab(26.00, -5.61, 28.97)
CIE-LCHlch(26.00, 29.51, 100.96°)
OKLaboklab(36.01% -0.0183 0.0645)
OKLCHoklch(36.01% 0.067 105.8)
XYZxyz(4.1037, 4.7451, 1.1151)
Luminance0.0474 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423F0E #0E1142
analogous
#42250E #423F0E #2B420E
triadic
#423F0E #0E423F #3F0E42
tetradic
#423F0E #0E4225 #0E1142 #420E2B
square
#423F0E #0E4225 #0E1142 #420E2B
split-complementary
#423F0E #0E2B42 #250E42
monochromatic
#191805 #191805 #423F0E #746F19 #A79F23

Accessibility & contrast

On white

10.77
#423F0E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#423F0E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F0E
10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423F0E#FFFFFF#000000##FFFFFF
##423F0E1.0010.771.9510.77
#FFFFFF10.771.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#453C07
Deuteranopia (green-blind)
#463E11
Tritanopia (blue-blind)
#473A35
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #423f0e;
/* rgb */ color: rgb(66, 63, 14);
/* oklch */ color: oklch(36.0% 0.067 105.8);
Tailwind
colors: {
  custom: {
    50: '#787350',
    500: '#423f0e',
    950: '#000000',
  },
}
SCSS
$custom: #423f0e;
$custom-light: #787350;
$custom-dark: #000000;
JSON
{
  "hex": "#423f0e",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 14
  },
  "hsl": {
    "h": 56.538,
    "s": 65,
    "l": 15.686
  },
  "oklch": {
    "l": 0.36011,
    "c": 0.06706,
    "h": 105.8
  },
  "luminance": 0.04745
}

Semantic roles & 50–950 ramp

primary
#423F0E
secondary
#2F337D
accent
#4AE840
background
#F7F6F4
surface
#EDECE7
border
#C8C7C3
text
#090802
muted
#7B7B78

Preview Lab

Preview with #423F0E

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

Preview Lab → · Contrast checker → · Palette generator →

#423F0E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva