#403C0D#403C0D

#403C0D is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.0% C 0.065 H 104.4°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#403C0D
RGB	rgb(64, 60, 13)
HSL	hsl(55, 66%, 15%)
HSV	hsv(55, 80%, 25%)
CMYK	cmyk(0%, 6.2%, 79.7%, 74.9%)
CIE-LAB	lab(24.80, -4.84, 28.18)
CIE-LCH	lch(24.80, 28.59, 99.75°)
OKLab	oklab(35.01% -0.0161 0.0627)
OKLCH	oklch(35.01% 0.065 104.4)
XYZ	xyz(3.8030, 4.3509, 1.0202)
Luminance	0.0435 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C0D #0D1140

analogous

#40220D #403C0D #2B400D

triadic

#403C0D #0D403C #3C0D40

tetradic

#403C0D #0D4022 #0D1140 #400D2B

square

#403C0D #0D4022 #0D1140 #400D2B

split-complementary

#403C0D #0D2B40 #220D40

monochromatic

#191805 #191805 #403C0D #736C17 #A69B22

Accessibility & contrast

On white

11.23

#403C0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C0D

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C0D	#FFFFFF	#000000	##FFFFFF
##403C0D	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A06

Deuteranopia (green-blind)

#433C10

Tritanopia (blue-blind)

#453733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c0d;
/* rgb */ color: rgb(64, 60, 13);
/* oklch */ color: oklch(35.0% 0.065 104.4);

Tailwind

colors: {
  custom: {
    50: '#77714f',
    500: '#403c0d',
    950: '#000000',
  },
}

SCSS

$custom: #403c0d;
$custom-light: #77714f;
$custom-dark: #000000;

JSON

{
  "hex": "#403c0d",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 13
  },
  "hsl": {
    "h": 55.294,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.35006,
    "c": 0.06476,
    "h": 104.4
  },
  "luminance": 0.04351
}

Semantic roles & 50–950 ramp

primary

#403C0D

secondary

#2D337C

accent

#4CE93F

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403C0D

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

Preview Lab → · Contrast checker → · Palette generator →