#423B11#423B11

#423B11 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.060 H 99.8°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#423B11
RGB	rgb(66, 59, 17)
HSL	hsl(51, 59%, 16%)
HSV	hsv(51, 74%, 26%)
CMYK	cmyk(0%, 10.6%, 74.2%, 74.1%)
CIE-LAB	lab(24.72, -2.90, 26.21)
CIE-LCH	lch(24.72, 26.37, 96.31°)
OKLab	oklab(35.01% -0.0102 0.0593)
OKLCH	oklch(35.01% 0.06 99.8)
XYZ	xyz(3.9121, 4.3268, 1.1593)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B11 #111842

analogous

#422311 #423B11 #314211

triadic

#423B11 #11423B #3B1142

tetradic

#423B11 #114223 #111842 #421131

square

#423B11 #114223 #111842 #421131

split-complementary

#423B11 #113142 #231142

monochromatic

#181606 #181606 #423B11 #73671E #A3922A

Accessibility & contrast

On white

11.26

#423B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#423B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B11

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B11	#FFFFFF	#000000	##FFFFFF
##423B11	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41390C

Deuteranopia (green-blind)

#433C13

Tritanopia (blue-blind)

#483632

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #423b11;
/* rgb */ color: rgb(66, 59, 17);
/* oklch */ color: oklch(35.0% 0.060 99.8);

Tailwind

colors: {
  custom: {
    50: '#787051',
    500: '#423b11',
    950: '#000000',
  },
}

SCSS

$custom: #423b11;
$custom-light: #787051;
$custom-dark: #000000;

JSON

{
  "hex": "#423b11",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 51.429,
    "s": 59.036,
    "l": 16.275
  },
  "oklch": {
    "l": 0.35008,
    "c": 0.06017,
    "h": 99.8
  },
  "luminance": 0.04327
}

Semantic roles & 50–950 ramp

primary

#423B11

secondary

#333E7C

accent

#5CE246

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423B11

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

Preview Lab → · Contrast checker → · Palette generator →