#403F09#403F09

#403F09 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.8% C 0.071 H 108.4°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#403F09
RGB	rgb(64, 63, 9)
HSL	hsl(59, 75%, 14%)
HSV	hsv(59, 86%, 25%)
CMYK	cmyk(0%, 1.6%, 85.9%, 74.9%)
CIE-LAB	lab(25.76, -6.93, 30.80)
CIE-LCH	lch(25.76, 31.57, 102.68°)
OKLab	oklab(35.76% -0.0224 0.0674)
OKLCH	oklch(35.76% 0.071 108.4)
XYZ	xyz(3.9413, 4.6649, 0.9512)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F09 #090A40

analogous

#402409 #403F09 #264009

triadic

#403F09 #09403F #3F0940

tetradic

#403F09 #094024 #090A40 #400926

square

#403F09 #094024 #090A40 #400926

split-complementary

#403F09 #092640 #240940

monochromatic

#1B1A04 #1B1A04 #403F09 #767411 #ABA918

Accessibility & contrast

On white

10.86

#403F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#403F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F09

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F09	#FFFFFF	#000000	##FFFFFF
##403F09	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C01

Deuteranopia (green-blind)

#463E0D

Tritanopia (blue-blind)

#453A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f09;
/* rgb */ color: rgb(64, 63, 9);
/* oklch */ color: oklch(35.8% 0.071 108.4);

Tailwind

colors: {
  custom: {
    50: '#77734d',
    500: '#403f09',
    950: '#000000',
  },
}

SCSS

$custom: #403f09;
$custom-light: #77734d;
$custom-dark: #000000;

JSON

{
  "hex": "#403f09",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 9
  },
  "hsl": {
    "h": 58.909,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.35761,
    "c": 0.07102,
    "h": 108.4
  },
  "luminance": 0.04665
}

Semantic roles & 50–950 ramp

primary

#403F09

secondary

#27297E

accent

#39F236

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #403F09

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

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