#423D0D#423D0D

#423D0D is a dark, moderate yellow. Relative luminance 0.045; OKLCH L 35.5% C 0.066 H 103.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#423D0D
RGB	rgb(66, 61, 13)
HSL	hsl(54, 67%, 15%)
HSV	hsv(54, 80%, 26%)
CMYK	cmyk(0%, 7.6%, 80.3%, 74.1%)
CIE-LAB	lab(25.34, -4.43, 28.78)
CIE-LCH	lch(25.34, 29.12, 98.74°)
OKLab	oklab(35.48% -0.0151 0.0639)
OKLCH	oklch(35.48% 0.066 103.3)
XYZ	xyz(3.9883, 4.5250, 1.0440)
Luminance	0.0452 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D0D #0D1242

analogous

#42220D #423D0D #2C420D

triadic

#423D0D #0D423D #3D0D42

tetradic

#423D0D #0D4222 #0D1242 #420D2C

square

#423D0D #0D4222 #0D1242 #420D2C

split-complementary

#423D0D #0D2C42 #220D42

monochromatic

#1A1805 #1A1805 #423D0D #756C17 #A89C21

Accessibility & contrast

On white

11.02

#423D0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#423D0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D0D

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D0D	#FFFFFF	#000000	##FFFFFF
##423D0D	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B06

Deuteranopia (green-blind)

#453D10

Tritanopia (blue-blind)

#483834

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #423d0d;
/* rgb */ color: rgb(66, 61, 13);
/* oklch */ color: oklch(35.5% 0.066 103.3);

Tailwind

colors: {
  custom: {
    50: '#79724f',
    500: '#423d0d',
    950: '#000000',
  },
}

SCSS

$custom: #423d0d;
$custom-light: #79724f;
$custom-dark: #000000;

JSON

{
  "hex": "#423d0d",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 13
  },
  "hsl": {
    "h": 54.34,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.35483,
    "c": 0.06565,
    "h": 103.3
  },
  "luminance": 0.04525
}

Semantic roles & 50–950 ramp

primary

#423D0D

secondary

#2D357E

accent

#4EEA3E

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423D0D

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

Preview Lab → · Contrast checker → · Palette generator →