#403813#403813

#403813 is a dark, muted yellow. Relative luminance 0.040; OKLCH L 34.0% C 0.055 H 97.1°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#403813
RGB	rgb(64, 56, 19)
HSL	hsl(49, 54%, 16%)
HSV	hsv(49, 70%, 25%)
CMYK	cmyk(0%, 12.5%, 70.3%, 74.9%)
CIE-LAB	lab(23.56, -1.87, 23.83)
CIE-LCH	lch(23.56, 23.90, 94.50°)
OKLab	oklab(34.04% -0.0068 0.0547)
OKLCH	oklch(34.04% 0.055 97.1)
XYZ	xyz(3.6462, 3.9655, 1.1893)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403813 #131B40

analogous

#402213 #403813 #324013

triadic

#403813 #134038 #381340

tetradic

#403813 #134022 #131B40 #401332

square

#403813 #134022 #131B40 #401332

split-complementary

#403813 #133240 #221340

monochromatic

#181507 #181507 #403813 #6F6121 #9E8B2F

Accessibility & contrast

On white

11.71

#403813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#403813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403813

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403813	#FFFFFF	#000000	##FFFFFF
##403813	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E370F

Deuteranopia (green-blind)

#403915

Tritanopia (blue-blind)

#453430

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #403813;
/* rgb */ color: rgb(64, 56, 19);
/* oklch */ color: oklch(34.0% 0.055 97.1);

Tailwind

colors: {
  custom: {
    50: '#776e52',
    500: '#403813',
    950: '#000000',
  },
}

SCSS

$custom: #403813;
$custom-light: #776e52;
$custom-dark: #000000;

JSON

{
  "hex": "#403813",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 19
  },
  "hsl": {
    "h": 49.333,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.34038,
    "c": 0.05509,
    "h": 97.1
  },
  "luminance": 0.03965
}

Semantic roles & 50–950 ramp

primary

#403813

secondary

#364279

accent

#64DE4A

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403813

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

Preview Lab → · Contrast checker → · Palette generator →