#403C04#403C04

#403C04 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.071 H 105.1°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#403C04
RGB	rgb(64, 60, 4)
HSL	hsl(56, 88%, 13%)
HSV	hsv(56, 94%, 25%)
CMYK	cmyk(0%, 6.2%, 93.8%, 74.9%)
CIE-LAB	lab(24.74, -5.33, 31.88)
CIE-LCH	lch(24.74, 32.32, 99.50°)
OKLab	oklab(34.94% -0.0186 0.0688)
OKLCH	oklch(34.94% 0.071 105.1)
XYZ	xyz(3.7523, 4.3306, 0.7531)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C04 #040840

analogous

#401E04 #403C04 #264004

triadic

#403C04 #04403C #3C0440

tetradic

#403C04 #04401E #040840 #400426

square

#403C04 #04401E #040840 #400426

split-complementary

#403C04 #042640 #1E0440

monochromatic

#1D1B02 #1D1B02 #403C04 #7A7208 #B3A80B

Accessibility & contrast

On white

11.25

#403C04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C04

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C04	#FFFFFF	#000000	##FFFFFF
##403C04	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#443C08

Tritanopia (blue-blind)

#463732

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c04;
/* rgb */ color: rgb(64, 60, 4);
/* oklch */ color: oklch(34.9% 0.071 105.1);

Tailwind

colors: {
  custom: {
    50: '#78714a',
    500: '#403c04',
    950: '#000000',
  },
}

SCSS

$custom: #403c04;
$custom-light: #78714a;
$custom-dark: #000000;

JSON

{
  "hex": "#403c04",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 4
  },
  "hsl": {
    "h": 56,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.34935,
    "c": 0.07125,
    "h": 105.1
  },
  "luminance": 0.0433
}

Semantic roles & 50–950 ramp

primary

#403C04

secondary

#1F2581

accent

#38FE29

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403C04

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

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