#403D0A#403D0A

#403D0A is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.2% C 0.068 H 106.0°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#403D0A
RGB	rgb(64, 61, 10)
HSL	hsl(57, 73%, 15%)
HSV	hsv(57, 84%, 25%)
CMYK	cmyk(0%, 4.7%, 84.4%, 74.9%)
CIE-LAB	lab(25.11, -5.64, 29.79)
CIE-LCH	lch(25.11, 30.31, 100.72°)
OKLab	oklab(35.24% -0.0187 0.0655)
OKLCH	oklch(35.24% 0.068 106)
XYZ	xyz(3.8380, 4.4495, 0.9438)
Luminance	0.0445 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D0A #0A0D40

analogous

#40220A #403D0A #28400A

triadic

#403D0A #0A403D #3D0A40

tetradic

#403D0A #0A4022 #0A0D40 #400A28

square

#403D0A #0A4022 #0A0D40 #400A28

split-complementary

#403D0A #0A2840 #220A40

monochromatic

#1A1904 #1A1904 #403D0A #756F12 #AAA21B

Accessibility & contrast

On white

11.11

#403D0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#403D0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D0A

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D0A	#FFFFFF	#000000	##FFFFFF
##403D0A	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A02

Deuteranopia (green-blind)

#443C0E

Tritanopia (blue-blind)

#453833

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403d0a;
/* rgb */ color: rgb(64, 61, 10);
/* oklch */ color: oklch(35.2% 0.068 106.0);

Tailwind

colors: {
  custom: {
    50: '#77724e',
    500: '#403d0a',
    950: '#000000',
  },
}

SCSS

$custom: #403d0a;
$custom-light: #77724e;
$custom-dark: #000000;

JSON

{
  "hex": "#403d0a",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 10
  },
  "hsl": {
    "h": 56.667,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.35242,
    "c": 0.06808,
    "h": 106
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#403D0A

secondary

#292D7D

accent

#42F038

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403D0A

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

Preview Lab → · Contrast checker → · Palette generator →