#403C03#403C03

#403C03 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.072 H 105.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#403C03
RGB	rgb(64, 60, 3)
HSL	hsl(56, 91%, 13%)
HSV	hsv(56, 95%, 25%)
CMYK	cmyk(0%, 6.2%, 95.3%, 74.9%)
CIE-LAB	lab(24.73, -5.39, 32.28)
CIE-LCH	lch(24.73, 32.72, 99.48°)
OKLab	oklab(34.93% -0.0189 0.0695)
OKLCH	oklch(34.93% 0.072 105.2)
XYZ	xyz(3.7468, 4.3284, 0.7242)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C03 #030740

analogous

#401D03 #403C03 #254003

triadic

#403C03 #03403C #3C0340

tetradic

#403C03 #03401D #030740 #400325

square

#403C03 #03401D #030740 #400325

split-complementary

#403C03 #032540 #1D0340

monochromatic

#1D1B01 #1D1B01 #403C03 #7A7306 #B5AA08

Accessibility & contrast

On white

11.26

#403C03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C03

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C03	#FFFFFF	#000000	##FFFFFF
##403C03	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)

#423900

Deuteranopia (green-blind)

#443C07

Tritanopia (blue-blind)

#463732

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c03;
/* rgb */ color: rgb(64, 60, 3);
/* oklch */ color: oklch(34.9% 0.072 105.2);

Tailwind

colors: {
  custom: {
    50: '#78714a',
    500: '#403c03',
    950: '#000000',
  },
}

SCSS

$custom: #403c03;
$custom-light: #78714a;
$custom-dark: #000000;

JSON

{
  "hex": "#403c03",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 3
  },
  "hsl": {
    "h": 56.066,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.34927,
    "c": 0.07198,
    "h": 105.2
  },
  "luminance": 0.04328
}

Semantic roles & 50–950 ramp

primary

#403C03

secondary

#1D2382

accent

#37FF29

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403C03

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

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