#403D0C#403D0C

#403D0C is a dark, moderate yellow. Relative luminance 0.045; OKLCH L 35.3% C 0.067 H 105.8°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#403D0C
RGB	rgb(64, 61, 12)
HSL	hsl(57, 68%, 15%)
HSV	hsv(57, 81%, 25%)
CMYK	cmyk(0%, 4.7%, 81.2%, 74.9%)
CIE-LAB	lab(25.12, -5.53, 28.95)
CIE-LCH	lch(25.12, 29.47, 100.81°)
OKLab	oklab(35.26% -0.0182 0.0641)
OKLCH	oklch(35.26% 0.067 105.8)
XYZ	xyz(3.8496, 4.4542, 1.0047)
Luminance	0.0445 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D0C #0C0F40

analogous

#40230C #403D0C #29400C

triadic

#403D0C #0C403D #3D0C40

tetradic

#403D0C #0C4023 #0C0F40 #400C29

square

#403D0C #0C4023 #0C0F40 #400C29

split-complementary

#403D0C #0C2940 #230C40

monochromatic

#1A1905 #1A1905 #403D0C #746E16 #A79F1F

Accessibility & contrast

On white

11.11

#403D0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#403D0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D0C

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D0C	#FFFFFF	#000000	##FFFFFF
##403D0C	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)

#433A05

Deuteranopia (green-blind)

#443C0F

Tritanopia (blue-blind)

#453833

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403d0c;
/* rgb */ color: rgb(64, 61, 12);
/* oklch */ color: oklch(35.3% 0.067 105.8);

Tailwind

colors: {
  custom: {
    50: '#77724f',
    500: '#403d0c',
    950: '#000000',
  },
}

SCSS

$custom: #403d0c;
$custom-light: #77724f;
$custom-dark: #000000;

JSON

{
  "hex": "#403d0c",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 12
  },
  "hsl": {
    "h": 56.538,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.35258,
    "c": 0.06664,
    "h": 105.8
  },
  "luminance": 0.04454
}

Semantic roles & 50–950 ramp

primary

#403D0C

secondary

#2C307C

accent

#47EB3D

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403D0C

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

Preview Lab → · Contrast checker → · Palette generator →