#403B0D#403B0D

#403B0D is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.064 H 103.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#403B0D
RGB	rgb(64, 59, 13)
HSL	hsl(54, 66%, 15%)
HSV	hsv(54, 80%, 25%)
CMYK	cmyk(0%, 7.8%, 79.7%, 74.9%)
CIE-LAB	lab(24.47, -4.22, 27.86)
CIE-LCH	lch(24.47, 28.17, 98.61°)
OKLab	oklab(34.75% -0.0143 0.062)
OKLCH	oklch(34.75% 0.064 103)
XYZ	xyz(3.7511, 4.2471, 1.0029)
Luminance	0.0425 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B0D #0D1240

analogous

#40220D #403B0D #2B400D

triadic

#403B0D #0D403B #3B0D40

tetradic

#403B0D #0D4022 #0D1240 #400D2B

square

#403B0D #0D4022 #0D1240 #400D2B

split-complementary

#403B0D #0D2B40 #220D40

monochromatic

#191705 #191705 #403B0D #736A17 #A69922

Accessibility & contrast

On white

11.36

#403B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B0D

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B0D	#FFFFFF	#000000	##FFFFFF
##403B0D	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413906

Deuteranopia (green-blind)

#433B10

Tritanopia (blue-blind)

#453632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b0d;
/* rgb */ color: rgb(64, 59, 13);
/* oklch */ color: oklch(34.7% 0.064 103.0);

Tailwind

colors: {
  custom: {
    50: '#77704f',
    500: '#403b0d',
    950: '#000000',
  },
}

SCSS

$custom: #403b0d;
$custom-light: #77704f;
$custom-dark: #000000;

JSON

{
  "hex": "#403b0d",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 13
  },
  "hsl": {
    "h": 54.118,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34746,
    "c": 0.06367,
    "h": 103
  },
  "luminance": 0.04247
}

Semantic roles & 50–950 ramp

primary

#403B0D

secondary

#2D357C

accent

#4FE93F

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403B0D

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

Preview Lab → · Contrast checker → · Palette generator →