#423C0B#423C0B

#423C0B is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.2% C 0.066 H 102.1°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#423C0B
RGB	rgb(66, 60, 11)
HSL	hsl(53, 71%, 15%)
HSV	hsv(53, 83%, 26%)
CMYK	cmyk(0%, 9.1%, 83.3%, 74.1%)
CIE-LAB	lab(25.00, -3.91, 29.34)
CIE-LCH	lch(25.00, 29.60, 97.59°)
OKLab	oklab(35.21% -0.0139 0.0646)
OKLCH	oklch(35.21% 0.066 102.1)
XYZ	xyz(3.9232, 4.4143, 0.9619)
Luminance	0.0441 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423C0B #0B1142

analogous

#42210B #423C0B #2C420B

triadic

#423C0B #0B423C #3C0B42

tetradic

#423C0B #0B4221 #0B1142 #420B2C

square

#423C0B #0B4221 #0B1142 #420B2C

split-complementary

#423C0B #0B2C42 #210B42

monochromatic

#1A1804 #1A1804 #423C0B #766C14 #AB9B1C

Accessibility & contrast

On white

11.15

#423C0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#423C0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423C0B

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423C0B	#FFFFFF	#000000	##FFFFFF
##423C0B	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A04

Deuteranopia (green-blind)

#443C0E

Tritanopia (blue-blind)

#483733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423c0b;
/* rgb */ color: rgb(66, 60, 11);
/* oklch */ color: oklch(35.2% 0.066 102.1);

Tailwind

colors: {
  custom: {
    50: '#79714e',
    500: '#423c0b',
    950: '#000000',
  },
}

SCSS

$custom: #423c0b;
$custom-light: #79714e;
$custom-dark: #000000;

JSON

{
  "hex": "#423c0b",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 11
  },
  "hsl": {
    "h": 53.455,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.35208,
    "c": 0.06611,
    "h": 102.1
  },
  "luminance": 0.04414
}

Semantic roles & 50–950 ramp

primary

#423C0B

secondary

#2A337F

accent

#4DEE3A

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423C0B

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

Preview Lab → · Contrast checker → · Palette generator →