#403E0D#403E0D

#403E0D is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.5% C 0.067 H 107.0°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#403E0D
RGB	rgb(64, 62, 13)
HSL	hsl(58, 66%, 15%)
HSV	hsv(58, 80%, 25%)
CMYK	cmyk(0%, 3.1%, 79.7%, 74.9%)
CIE-LAB	lab(25.46, -6.09, 28.83)
CIE-LCH	lch(25.46, 29.46, 101.93°)
OKLab	oklab(35.53% -0.0196 0.0641)
OKLCH	oklch(35.53% 0.067 107)
XYZ	xyz(3.9098, 4.5644, 1.0558)
Luminance	0.0456 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E0D #0D0F40

analogous

#40240D #403E0D #28400D

triadic

#403E0D #0D403E #3E0D40

tetradic

#403E0D #0D4024 #0D0F40 #400D28

square

#403E0D #0D4024 #0D0F40 #400D28

split-complementary

#403E0D #0D2840 #240D40

monochromatic

#191905 #191905 #403E0D #736F17 #A6A122

Accessibility & contrast

On white

10.98

#403E0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#403E0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E0D

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E0D	#FFFFFF	#000000	##FFFFFF
##403E0D	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B06

Deuteranopia (green-blind)

#453D10

Tritanopia (blue-blind)

#453934

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403e0d;
/* rgb */ color: rgb(64, 62, 13);
/* oklch */ color: oklch(35.5% 0.067 107.0);

Tailwind

colors: {
  custom: {
    50: '#77734f',
    500: '#403e0d',
    950: '#000000',
  },
}

SCSS

$custom: #403e0d;
$custom-light: #77734f;
$custom-dark: #000000;

JSON

{
  "hex": "#403e0d",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 13
  },
  "hsl": {
    "h": 57.647,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.35529,
    "c": 0.06703,
    "h": 107
  },
  "luminance": 0.04564
}

Semantic roles & 50–950 ramp

primary

#403E0D

secondary

#2D307C

accent

#45E93F

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #403E0D

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

Preview Lab → · Contrast checker → · Palette generator →