#423B13#423B13

#423B13 is a dark, muted yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.058 H 99.4°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#423B13
RGB	rgb(66, 59, 19)
HSL	hsl(51, 55%, 17%)
HSV	hsv(51, 71%, 26%)
CMYK	cmyk(0%, 10.6%, 71.2%, 74.1%)
CIE-LAB	lab(24.74, -2.75, 25.19)
CIE-LCH	lch(24.74, 25.33, 96.23°)
OKLab	oklab(35.03% -0.0095 0.0575)
OKLCH	oklch(35.03% 0.058 99.4)
XYZ	xyz(3.9284, 4.3334, 1.2455)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B13 #131A42

analogous

#422413 #423B13 #324213

triadic

#423B13 #13423B #3B1342

tetradic

#423B13 #134224 #131A42 #421332

square

#423B13 #134224 #131A42 #421332

split-complementary

#423B13 #133242 #241342

monochromatic

#181507 #181507 #423B13 #726521 #A1902E

Accessibility & contrast

On white

11.25

#423B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#423B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B13

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B13	#FFFFFF	#000000	##FFFFFF
##423B13	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41390E

Deuteranopia (green-blind)

#433C15

Tritanopia (blue-blind)

#473632

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b13;
/* rgb */ color: rgb(66, 59, 19);
/* oklch */ color: oklch(35.0% 0.058 99.4);

Tailwind

colors: {
  custom: {
    50: '#787053',
    500: '#423b13',
    950: '#000000',
  },
}

SCSS

$custom: #423b13;
$custom-light: #787053;
$custom-dark: #000000;

JSON

{
  "hex": "#423b13",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 19
  },
  "hsl": {
    "h": 51.064,
    "s": 55.294,
    "l": 16.667
  },
  "oklch": {
    "l": 0.35031,
    "c": 0.05827,
    "h": 99.4
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary

#423B13

secondary

#36407B

accent

#5FDF49

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423B13

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

Preview Lab → · Contrast checker → · Palette generator →