#403F19#403F19

#403F19 is a dark, muted yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.057 H 107.6°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#403F19
RGB	rgb(64, 63, 25)
HSL	hsl(58, 44%, 17%)
HSV	hsv(58, 61%, 25%)
CMYK	cmyk(0%, 1.6%, 60.9%, 74.9%)
CIE-LAB	lab(25.91, -5.75, 23.11)
CIE-LCH	lch(25.91, 23.81, 103.97°)
OKLab	oklab(35.93% -0.0171 0.054)
OKLCH	oklch(35.93% 0.057 107.6)
XYZ	xyz(4.0674, 4.7153, 1.6154)
Luminance	0.0471 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F19 #191A40

analogous

#402C19 #403F19 #2D4019

triadic

#403F19 #19403F #3F1940

tetradic

#403F19 #19402C #191A40 #40192D

square

#403F19 #19402C #191A40 #40192D

split-complementary

#403F19 #192D40 #2C1940

monochromatic

#161609 #161609 #403F19 #6C6A2A #98963B

Accessibility & contrast

On white

10.81

#403F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F19

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F19	#FFFFFF	#000000	##FFFFFF
##403F19	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C15

Deuteranopia (green-blind)

#453E1B

Tritanopia (blue-blind)

#453B37

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f19;
/* rgb */ color: rgb(64, 63, 25);
/* oklch */ color: oklch(35.9% 0.057 107.6);

Tailwind

colors: {
  custom: {
    50: '#767357',
    500: '#403f19',
    950: '#000000',
  },
}

SCSS

$custom: #403f19;
$custom-light: #767357;
$custom-dark: #000000;

JSON

{
  "hex": "#403f19",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 25
  },
  "hsl": {
    "h": 58.462,
    "s": 43.82,
    "l": 17.451
  },
  "oklch": {
    "l": 0.35928,
    "c": 0.05666,
    "h": 107.6
  },
  "luminance": 0.04715
}

Semantic roles & 50–950 ramp

primary

#403F19

secondary

#3F4076

accent

#58D454

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#080803

muted

#7B7B78

Preview Lab

Preview with #403F19

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

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