#423B0D#423B0D

#423B0D is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.064 H 100.4°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#423B0D
RGB	rgb(66, 59, 13)
HSL	hsl(52, 67%, 15%)
HSV	hsv(52, 80%, 26%)
CMYK	cmyk(0%, 10.6%, 80.3%, 74.1%)
CIE-LAB	lab(24.69, -3.16, 28.14)
CIE-LCH	lch(24.69, 28.32, 96.42°)
OKLab	oklab(34.97% -0.0115 0.0626)
OKLCH	oklch(34.97% 0.064 100.4)
XYZ	xyz(3.8836, 4.3154, 1.0091)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B0D #0D1442

analogous

#42200D #423B0D #2E420D

triadic

#423B0D #0D423B #3B0D42

tetradic

#423B0D #0D4220 #0D1442 #420D2E

square

#423B0D #0D4220 #0D1442 #420D2E

split-complementary

#423B0D #0D2E42 #200D42

monochromatic

#1A1705 #1A1705 #423B0D #756917 #A89621

Accessibility & contrast

On white

11.27

#423B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#423B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B0D

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B0D	#FFFFFF	#000000	##FFFFFF
##423B0D	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413906

Deuteranopia (green-blind)

#433C10

Tritanopia (blue-blind)

#483632

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b0d;
/* rgb */ color: rgb(66, 59, 13);
/* oklch */ color: oklch(35.0% 0.064 100.4);

Tailwind

colors: {
  custom: {
    50: '#79704f',
    500: '#423b0d',
    950: '#000000',
  },
}

SCSS

$custom: #423b0d;
$custom-light: #79704f;
$custom-dark: #000000;

JSON

{
  "hex": "#423b0d",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 13
  },
  "hsl": {
    "h": 52.075,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.34968,
    "c": 0.0636,
    "h": 100.4
  },
  "luminance": 0.04315
}

Semantic roles & 50–950 ramp

primary

#423B0D

secondary

#2D387E

accent

#55EA3E

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423B0D

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

Preview Lab → · Contrast checker → · Palette generator →