#423E0A#423E0A

#423E0A is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.7% C 0.069 H 104.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#423E0A
RGB	rgb(66, 62, 10)
HSL	hsl(56, 74%, 15%)
HSV	hsv(56, 85%, 26%)
CMYK	cmyk(0%, 6.1%, 84.8%, 74.1%)
CIE-LAB	lab(25.64, -5.21, 30.36)
CIE-LCH	lch(25.64, 30.81, 99.74°)
OKLab	oklab(35.72% -0.0176 0.0666)
OKLCH	oklch(35.72% 0.069 104.8)
XYZ	xyz(4.0244, 4.6256, 0.9679)
Luminance	0.0462 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423E0A #0A0E42

analogous

#42220A #423E0A #2A420A

triadic

#423E0A #0A423E #3E0A42

tetradic

#423E0A #0A4222 #0A0E42 #420A2A

square

#423E0A #0A4222 #0A0E42 #420A2A

split-complementary

#423E0A #0A2A42 #220A42

monochromatic

#1B1904 #1B1904 #423E0A #777012 #ACA21A

Accessibility & contrast

On white

10.91

#423E0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#423E0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423E0A

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423E0A	#FFFFFF	#000000	##FFFFFF
##423E0A	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B02

Deuteranopia (green-blind)

#463E0E

Tritanopia (blue-blind)

#483934

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #423e0a;
/* rgb */ color: rgb(66, 62, 10);
/* oklch */ color: oklch(35.7% 0.069 104.8);

Tailwind

colors: {
  custom: {
    50: '#79734e',
    500: '#423e0a',
    950: '#000000',
  },
}

SCSS

$custom: #423e0a;
$custom-light: #79734e;
$custom-dark: #000000;

JSON

{
  "hex": "#423e0a",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 10
  },
  "hsl": {
    "h": 55.714,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.35718,
    "c": 0.06889,
    "h": 104.8
  },
  "luminance": 0.04625
}

Semantic roles & 50–950 ramp

primary

#423E0A

secondary

#292F7F

accent

#45F037

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #423E0A

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

Preview Lab → · Contrast checker → · Palette generator →