#423A0A#423A0A

#423A0A is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.065 H 99.4°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#423A0A
RGB	rgb(66, 58, 10)
HSL	hsl(51, 74%, 15%)
HSV	hsv(51, 85%, 26%)
CMYK	cmyk(0%, 12.1%, 84.8%, 74.1%)
CIE-LAB	lab(24.34, -2.70, 29.12)
CIE-LCH	lch(24.34, 29.25, 95.30°)
OKLab	oklab(34.69% -0.0106 0.064)
OKLCH	oklch(34.69% 0.065 99.4)
XYZ	xyz(3.8148, 4.2065, 0.8981)
Luminance	0.0421 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A0A #0A1242

analogous

#421E0A #423A0A #2E420A

triadic

#423A0A #0A423A #3A0A42

tetradic

#423A0A #0A421E #0A1242 #420A2E

square

#423A0A #0A421E #0A1242 #420A2E

split-complementary

#423A0A #0A2E42 #1E0A42

monochromatic

#1B1704 #1B1704 #423A0A #776912 #AC971A

Accessibility & contrast

On white

11.41

#423A0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#423A0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A0A

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A0A	#FFFFFF	#000000	##FFFFFF
##423A0A	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413803

Deuteranopia (green-blind)

#433B0D

Tritanopia (blue-blind)

#483531

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423a0a;
/* rgb */ color: rgb(66, 58, 10);
/* oklch */ color: oklch(34.7% 0.065 99.4);

Tailwind

colors: {
  custom: {
    50: '#796f4d',
    500: '#423a0a',
    950: '#000000',
  },
}

SCSS

$custom: #423a0a;
$custom-light: #796f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#423a0a",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 10
  },
  "hsl": {
    "h": 51.429,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34687,
    "c": 0.06487,
    "h": 99.4
  },
  "luminance": 0.04206
}

Semantic roles & 50–950 ramp

primary

#423A0A

secondary

#29357F

accent

#52F037

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #423A0A

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

Preview Lab → · Contrast checker → · Palette generator →