#423D0A#423D0A

#423D0A is a dark, moderate yellow. Relative luminance 0.045; OKLCH L 35.5% C 0.068 H 103.6°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#423D0A
RGB	rgb(66, 61, 10)
HSL	hsl(55, 74%, 15%)
HSV	hsv(55, 85%, 26%)
CMYK	cmyk(0%, 7.6%, 84.8%, 74.1%)
CIE-LAB	lab(25.31, -4.59, 30.06)
CIE-LCH	lch(25.31, 30.41, 98.68°)
OKLab	oklab(35.46% -0.0159 0.0659)
OKLCH	oklch(35.46% 0.068 103.6)
XYZ	xyz(3.9705, 4.5178, 0.9500)
Luminance	0.0452 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D0A #0A0F42

analogous

#42210A #423D0A #2B420A

triadic

#423D0A #0A423D #3D0A42

tetradic

#423D0A #0A4221 #0A0F42 #420A2B

square

#423D0A #0A4221 #0A0F42 #420A2B

split-complementary

#423D0A #0A2B42 #210A42

monochromatic

#1B1904 #1B1904 #423D0A #776E12 #AC9F1A

Accessibility & contrast

On white

11.03

#423D0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#423D0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D0A

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D0A	#FFFFFF	#000000	##FFFFFF
##423D0A	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B02

Deuteranopia (green-blind)

#453D0E

Tritanopia (blue-blind)

#483833

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423d0a;
/* rgb */ color: rgb(66, 61, 10);
/* oklch */ color: oklch(35.5% 0.068 103.6);

Tailwind

colors: {
  custom: {
    50: '#79724e',
    500: '#423d0a',
    950: '#000000',
  },
}

SCSS

$custom: #423d0a;
$custom-light: #79724e;
$custom-dark: #000000;

JSON

{
  "hex": "#423d0a",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 10
  },
  "hsl": {
    "h": 54.643,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.35459,
    "c": 0.06783,
    "h": 103.6
  },
  "luminance": 0.04518
}

Semantic roles & 50–950 ramp

primary

#423D0A

secondary

#29307F

accent

#48F037

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423D0A

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

Preview Lab → · Contrast checker → · Palette generator →