#403C0A#403C0A

#403C0A is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 35.0% C 0.067 H 104.7°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#403C0A
RGB	rgb(64, 60, 10)
HSL	hsl(56, 73%, 15%)
HSV	hsv(56, 84%, 25%)
CMYK	cmyk(0%, 6.2%, 84.4%, 74.9%)
CIE-LAB	lab(24.78, -5.02, 29.47)
CIE-LCH	lch(24.78, 29.89, 99.66°)
OKLab	oklab(34.98% -0.017 0.0648)
OKLCH	oklch(34.98% 0.067 104.7)
XYZ	xyz(3.7852, 4.3438, 0.9262)
Luminance	0.0434 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C0A #0A0E40

analogous

#40210A #403C0A #29400A

triadic

#403C0A #0A403C #3C0A40

tetradic

#403C0A #0A4021 #0A0E40 #400A29

square

#403C0A #0A4021 #0A0E40 #400A29

split-complementary

#403C0A #0A2940 #210A40

monochromatic

#1A1904 #1A1904 #403C0A #756E12 #AA9F1B

Accessibility & contrast

On white

11.24

#403C0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C0A

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C0A	#FFFFFF	#000000	##FFFFFF
##403C0A	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A03

Deuteranopia (green-blind)

#443C0E

Tritanopia (blue-blind)

#453732

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c0a;
/* rgb */ color: rgb(64, 60, 10);
/* oklch */ color: oklch(35.0% 0.067 104.7);

Tailwind

colors: {
  custom: {
    50: '#77714d',
    500: '#403c0a',
    950: '#000000',
  },
}

SCSS

$custom: #403c0a;
$custom-light: #77714d;
$custom-dark: #000000;

JSON

{
  "hex": "#403c0a",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 10
  },
  "hsl": {
    "h": 55.556,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.34981,
    "c": 0.06699,
    "h": 104.7
  },
  "luminance": 0.04344
}

Semantic roles & 50–950 ramp

primary

#403C0A

secondary

#292F7D

accent

#46F038

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403C0A

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

Preview Lab → · Contrast checker → · Palette generator →