#423B0C#423B0C

#423B0C is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.064 H 100.6°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#423B0C
RGB	rgb(66, 59, 12)
HSL	hsl(52, 69%, 15%)
HSV	hsv(52, 82%, 26%)
CMYK	cmyk(0%, 10.6%, 81.8%, 74.1%)
CIE-LAB	lab(24.68, -3.22, 28.59)
CIE-LCH	lch(24.68, 28.77, 96.43°)
OKLab	oklab(34.96% -0.0118 0.0633)
OKLCH	oklch(34.96% 0.064 100.6)
XYZ	xyz(3.8773, 4.3129, 0.9760)
Luminance	0.0431 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B0C #0C1342

analogous

#42200C #423B0C #2E420C

triadic

#423B0C #0C423B #3B0C42

tetradic

#423B0C #0C4220 #0C1342 #420C2E

square

#423B0C #0C4220 #0C1342 #420C2E

split-complementary

#423B0C #0C2E42 #200C42

monochromatic

#1A1705 #1A1705 #423B0C #766915 #AA981F

Accessibility & contrast

On white

11.27

#423B0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#423B0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B0C

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B0C	#FFFFFF	#000000	##FFFFFF
##423B0C	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)

#413905

Deuteranopia (green-blind)

#433C0F

Tritanopia (blue-blind)

#483632

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b0c;
/* rgb */ color: rgb(66, 59, 12);
/* oklch */ color: oklch(35.0% 0.064 100.6);

Tailwind

colors: {
  custom: {
    50: '#79704e',
    500: '#423b0c',
    950: '#000000',
  },
}

SCSS

$custom: #423b0c;
$custom-light: #79704e;
$custom-dark: #000000;

JSON

{
  "hex": "#423b0c",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 12
  },
  "hsl": {
    "h": 52.222,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.3496,
    "c": 0.06437,
    "h": 100.6
  },
  "luminance": 0.04313
}

Semantic roles & 50–950 ramp

primary

#423B0C

secondary

#2C367E

accent

#53EC3C

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423B0C

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

Preview Lab → · Contrast checker → · Palette generator →