#423A0B#423A0B

#423A0B is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.064 H 99.2°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#423A0B
RGB	rgb(66, 58, 11)
HSL	hsl(51, 71%, 15%)
HSV	hsv(51, 83%, 26%)
CMYK	cmyk(0%, 12.1%, 83.3%, 74.1%)
CIE-LAB	lab(24.35, -2.65, 28.71)
CIE-LCH	lch(24.35, 28.83, 95.27°)
OKLab	oklab(34.7% -0.0103 0.0633)
OKLCH	oklch(34.7% 0.064 99.2)
XYZ	xyz(3.8204, 4.2087, 0.9277)
Luminance	0.0421 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423A0B #0B1342

analogous

#421F0B #423A0B #2E420B

triadic

#423A0B #0B423A #3A0B42

tetradic

#423A0B #0B421F #0B1342 #420B2E

square

#423A0B #0B421F #0B1342 #420B2E

split-complementary

#423A0B #0B2E42 #1F0B42

monochromatic

#1A1704 #1A1704 #423A0B #766814 #AB961C

Accessibility & contrast

On white

11.40

#423A0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#423A0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423A0B

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423A0B	#FFFFFF	#000000	##FFFFFF
##423A0B	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)

#413804

Deuteranopia (green-blind)

#433B0E

Tritanopia (blue-blind)

#483531

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423a0b;
/* rgb */ color: rgb(66, 58, 11);
/* oklch */ color: oklch(34.7% 0.064 99.2);

Tailwind

colors: {
  custom: {
    50: '#796f4e',
    500: '#423a0b',
    950: '#000000',
  },
}

SCSS

$custom: #423a0b;
$custom-light: #796f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#423a0b",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 11
  },
  "hsl": {
    "h": 51.273,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34695,
    "c": 0.06416,
    "h": 99.2
  },
  "luminance": 0.04209
}

Semantic roles & 50–950 ramp

primary

#423A0B

secondary

#2A367F

accent

#54EE3A

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #423A0B

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

Preview Lab → · Contrast checker → · Palette generator →