#423B05#423B05

#423B05 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.069 H 101.4°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#423B05
RGB	rgb(66, 59, 5)
HSL	hsl(53, 86%, 14%)
HSV	hsv(53, 92%, 26%)
CMYK	cmyk(0%, 10.6%, 92.4%, 74.1%)
CIE-LAB	lab(24.63, -3.59, 31.44)
CIE-LCH	lch(24.63, 31.65, 96.52°)
OKLab	oklab(34.91% -0.0137 0.068)
OKLCH	oklch(34.91% 0.069 101.4)
XYZ	xyz(3.8383, 4.2973, 0.7708)
Luminance	0.0430 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B05 #050C42

analogous

#421D05 #423B05 #2B4205

triadic

#423B05 #05423B #3B0542

tetradic

#423B05 #05421D #050C42 #42052B

square

#423B05 #05421D #050C42 #42052B

split-complementary

#423B05 #052B42 #1D0542

monochromatic

#1C1902 #1C1902 #423B05 #7B6E09 #B4A10E

Accessibility & contrast

On white

11.29

#423B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#423B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B05

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B05	#FFFFFF	#000000	##FFFFFF
##423B05	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#443C09

Tritanopia (blue-blind)

#483631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423b05;
/* rgb */ color: rgb(66, 59, 5);
/* oklch */ color: oklch(34.9% 0.069 101.4);

Tailwind

colors: {
  custom: {
    50: '#79704b',
    500: '#423b05',
    950: '#000000',
  },
}

SCSS

$custom: #423b05;
$custom-light: #79704b;
$custom-dark: #000000;

JSON

{
  "hex": "#423b05",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 53.115,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.34905,
    "c": 0.06934,
    "h": 101.4
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary

#423B05

secondary

#202C82

accent

#44FC2C

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #423B05

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

Preview Lab → · Contrast checker → · Palette generator →