#403F08#403F08

#403F08 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.8% C 0.072 H 108.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#403F08
RGB	rgb(64, 63, 8)
HSL	hsl(59, 78%, 14%)
HSV	hsv(59, 88%, 25%)
CMYK	cmyk(0%, 1.6%, 87.5%, 74.9%)
CIE-LAB	lab(25.75, -6.98, 31.21)
CIE-LCH	lch(25.75, 31.98, 102.61°)
OKLab	oklab(35.75% -0.0227 0.068)
OKLCH	oklch(35.75% 0.072 108.4)
XYZ	xyz(3.9358, 4.6627, 0.9223)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F08 #080940

analogous

#402308 #403F08 #254008

triadic

#403F08 #08403F #3F0840

tetradic

#403F08 #084023 #080940 #400825

square

#403F08 #084023 #080940 #400825

split-complementary

#403F08 #082540 #230840

monochromatic

#1B1B03 #1B1B03 #403F08 #76750F #ADAA16

Accessibility & contrast

On white

10.87

#403F08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#403F08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F08

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F08	#FFFFFF	#000000	##FFFFFF
##403F08	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C00

Deuteranopia (green-blind)

#463E0D

Tritanopia (blue-blind)

#453A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f08;
/* rgb */ color: rgb(64, 63, 8);
/* oklch */ color: oklch(35.8% 0.072 108.4);

Tailwind

colors: {
  custom: {
    50: '#77734d',
    500: '#403f08',
    950: '#000000',
  },
}

SCSS

$custom: #403f08;
$custom-light: #77734d;
$custom-dark: #000000;

JSON

{
  "hex": "#403f08",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 8
  },
  "hsl": {
    "h": 58.929,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.35753,
    "c": 0.0717,
    "h": 108.4
  },
  "luminance": 0.04663
}

Semantic roles & 50–950 ramp

primary

#403F08

secondary

#25277E

accent

#37F434

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #403F08

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

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