#403F0D#403F0D

#403F0D is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.8% C 0.068 H 108.3°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#403F0D
RGB	rgb(64, 63, 13)
HSL	hsl(59, 66%, 15%)
HSV	hsv(59, 80%, 25%)
CMYK	cmyk(0%, 1.6%, 79.7%, 74.9%)
CIE-LAB	lab(25.79, -6.71, 29.15)
CIE-LCH	lch(25.79, 29.91, 102.96°)
OKLab	oklab(35.79% -0.0214 0.0648)
OKLCH	oklch(35.79% 0.068 108.3)
XYZ	xyz(3.9647, 4.6742, 1.0741)
Luminance	0.0467 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F0D #0D0E40

analogous

#40260D #403F0D #27400D

triadic

#403F0D #0D403F #3F0D40

tetradic

#403F0D #0D4026 #0D0E40 #400D27

square

#403F0D #0D4026 #0D0E40 #400D27

split-complementary

#403F0D #0D2740 #260D40

monochromatic

#191905 #191905 #403F0D #737117 #A6A322

Accessibility & contrast

On white

10.85

#403F0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#403F0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F0D

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F0D	#FFFFFF	#000000	##FFFFFF
##403F0D	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C05

Deuteranopia (green-blind)

#463E11

Tritanopia (blue-blind)

#453A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f0d;
/* rgb */ color: rgb(64, 63, 13);
/* oklch */ color: oklch(35.8% 0.068 108.3);

Tailwind

colors: {
  custom: {
    50: '#77734f',
    500: '#403f0d',
    950: '#000000',
  },
}

SCSS

$custom: #403f0d;
$custom-light: #77734f;
$custom-dark: #000000;

JSON

{
  "hex": "#403f0d",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 13
  },
  "hsl": {
    "h": 58.824,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.35792,
    "c": 0.0682,
    "h": 108.3
  },
  "luminance": 0.04674
}

Semantic roles & 50–950 ramp

primary

#403F0D

secondary

#2D2F7C

accent

#42E93F

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #403F0D

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

Preview Lab → · Contrast checker → · Palette generator →