#423A0D#423A0D

#423A0D is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.063 H 98.9°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#423A0D
RGB	rgb(66, 58, 13)
HSL	hsl(51, 67%, 15%)
HSV	hsv(51, 80%, 26%)
CMYK	cmyk(0%, 12.1%, 80.3%, 74.1%)
CIE-LAB	lab(24.37, -2.53, 27.82)
CIE-LCH	lch(24.37, 27.94, 95.20°)
OKLab	oklab(34.71% -0.0097 0.0619)
OKLCH	oklch(34.71% 0.063 98.9)
XYZ	xyz(3.8326, 4.2136, 0.9921)
Luminance	0.0421 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A0D #0D1542

analogous

#421F0D #423A0D #2F420D

triadic

#423A0D #0D423A #3A0D42

tetradic

#423A0D #0D421F #0D1542 #420D2F

square

#423A0D #0D421F #0D1542 #420D2F

split-complementary

#423A0D #0D2F42 #1F0D42

monochromatic

#1A1605 #1A1605 #423A0D #756717 #A89421

Accessibility & contrast

On white

11.40

#423A0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#423A0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A0D

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A0D	#FFFFFF	#000000	##FFFFFF
##423A0D	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403807

Deuteranopia (green-blind)

#433B10

Tritanopia (blue-blind)

#483531

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423a0d;
/* rgb */ color: rgb(66, 58, 13);
/* oklch */ color: oklch(34.7% 0.063 98.9);

Tailwind

colors: {
  custom: {
    50: '#796f4f',
    500: '#423a0d',
    950: '#000000',
  },
}

SCSS

$custom: #423a0d;
$custom-light: #796f4f;
$custom-dark: #000000;

JSON

{
  "hex": "#423a0d",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 13
  },
  "hsl": {
    "h": 50.943,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.34712,
    "c": 0.06264,
    "h": 98.9
  },
  "luminance": 0.04213
}

Semantic roles & 50–950 ramp

primary

#423A0D

secondary

#2D397E

accent

#58EA3E

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423A0D

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

Preview Lab → · Contrast checker → · Palette generator →