#423B0F#423B0F

#423B0F is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.062 H 100.1°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#423B0F
RGB	rgb(66, 59, 15)
HSL	hsl(52, 63%, 16%)
HSV	hsv(52, 77%, 26%)
CMYK	cmyk(0%, 10.6%, 77.3%, 74.1%)
CIE-LAB	lab(24.70, -3.04, 27.20)
CIE-LCH	lch(24.70, 27.37, 96.37°)
OKLab	oklab(34.99% -0.0109 0.061)
OKLCH	oklch(34.99% 0.062 100.1)
XYZ	xyz(3.8971, 4.3208, 1.0806)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B0F #0F1642

analogous

#42210F #423B0F #2F420F

triadic

#423B0F #0F423B #3B0F42

tetradic

#423B0F #0F4221 #0F1642 #420F2F

square

#423B0F #0F4221 #0F1642 #420F2F

split-complementary

#423B0F #0F2F42 #210F42

monochromatic

#191606 #191606 #423B0F #74681A #A69426

Accessibility & contrast

On white

11.26

#423B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#423B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B0F

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B0F	#FFFFFF	#000000	##FFFFFF
##423B0F	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413909

Deuteranopia (green-blind)

#433C12

Tritanopia (blue-blind)

#483632

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b0f;
/* rgb */ color: rgb(66, 59, 15);
/* oklch */ color: oklch(35.0% 0.062 100.1);

Tailwind

colors: {
  custom: {
    50: '#787050',
    500: '#423b0f',
    950: '#000000',
  },
}

SCSS

$custom: #423b0f;
$custom-light: #787050;
$custom-dark: #000000;

JSON

{
  "hex": "#423b0f",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 15
  },
  "hsl": {
    "h": 51.765,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.34987,
    "c": 0.06195,
    "h": 100.1
  },
  "luminance": 0.04321
}

Semantic roles & 50–950 ramp

primary

#423B0F

secondary

#303B7C

accent

#58E642

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423B0F

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

Preview Lab → · Contrast checker → · Palette generator →