#423B17#423B17

#423B17 is a dark, muted yellow. Relative luminance 0.043; OKLCH L 35.1% C 0.054 H 98.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#423B17
RGB	rgb(66, 59, 23)
HSL	hsl(50, 48%, 17%)
HSV	hsv(50, 65%, 26%)
CMYK	cmyk(0%, 10.6%, 65.2%, 74.1%)
CIE-LAB	lab(24.79, -2.41, 23.02)
CIE-LCH	lch(24.79, 23.15, 95.97°)
OKLab	oklab(35.08% -0.0079 0.0535)
OKLCH	oklch(35.08% 0.054 98.5)
XYZ	xyz(3.9655, 4.3482, 1.4409)
Luminance	0.0435 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B17 #171E42

analogous

#422617 #423B17 #334217

triadic

#423B17 #17423B #3B1742

tetradic

#423B17 #174226 #171E42 #421733

square

#423B17 #174226 #171E42 #421733

split-complementary

#423B17 #173342 #261742

monochromatic

#171408 #171408 #423B17 #6F6427 #9D8C37

Accessibility & contrast

On white

11.23

#423B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#423B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B17

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B17	#FFFFFF	#000000	##FFFFFF
##423B17	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413913

Deuteranopia (green-blind)

#433C19

Tritanopia (blue-blind)

#473733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b17;
/* rgb */ color: rgb(66, 59, 23);
/* oklch */ color: oklch(35.1% 0.054 98.5);

Tailwind

colors: {
  custom: {
    50: '#787055',
    500: '#423b17',
    950: '#000000',
  },
}

SCSS

$custom: #423b17;
$custom-light: #787055;
$custom-dark: #000000;

JSON

{
  "hex": "#423b17",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 23
  },
  "hsl": {
    "h": 50.233,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.35083,
    "c": 0.0541,
    "h": 98.5
  },
  "luminance": 0.04348
}

Semantic roles & 50–950 ramp

primary

#423B17

secondary

#3C4679

accent

#66D850

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #423B17

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

Preview Lab → · Contrast checker → · Palette generator →