#403F0C#403F0C

#403F0C is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.8% C 0.069 H 108.3°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#403F0C
RGB	rgb(64, 63, 12)
HSL	hsl(59, 68%, 15%)
HSV	hsv(59, 81%, 25%)
CMYK	cmyk(0%, 1.6%, 81.2%, 74.9%)
CIE-LAB	lab(25.78, -6.77, 29.58)
CIE-LCH	lch(25.78, 30.35, 102.88°)
OKLab	oklab(35.78% -0.0216 0.0655)
OKLCH	oklch(35.78% 0.069 108.3)
XYZ	xyz(3.9584, 4.6717, 1.0410)
Luminance	0.0467 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F0C #0C0D40

analogous

#40250C #403F0C #27400C

triadic

#403F0C #0C403F #3F0C40

tetradic

#403F0C #0C4025 #0C0D40 #400C27

square

#403F0C #0C4025 #0C0D40 #400C27

split-complementary

#403F0C #0C2740 #250C40

monochromatic

#1A1905 #1A1905 #403F0C #747216 #A7A41F

Accessibility & contrast

On white

10.86

#403F0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#403F0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F0C

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F0C	#FFFFFF	#000000	##FFFFFF
##403F0C	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C04

Deuteranopia (green-blind)

#463E10

Tritanopia (blue-blind)

#453A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f0c;
/* rgb */ color: rgb(64, 63, 12);
/* oklch */ color: oklch(35.8% 0.069 108.3);

Tailwind

colors: {
  custom: {
    50: '#77734f',
    500: '#403f0c',
    950: '#000000',
  },
}

SCSS

$custom: #403f0c;
$custom-light: #77734f;
$custom-dark: #000000;

JSON

{
  "hex": "#403f0c",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 12
  },
  "hsl": {
    "h": 58.846,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.35783,
    "c": 0.06896,
    "h": 108.3
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#403F0C

secondary

#2C2D7C

accent

#40EB3D

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #403F0C

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

Preview Lab → · Contrast checker → · Palette generator →