#403804#403804

#403804 is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 33.9% C 0.067 H 99.9°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#403804
RGB	rgb(64, 56, 4)
HSL	hsl(52, 88%, 13%)
HSV	hsv(52, 94%, 25%)
CMYK	cmyk(0%, 12.5%, 93.8%, 74.9%)
CIE-LAB	lab(23.43, -2.81, 30.59)
CIE-LCH	lch(23.43, 30.71, 95.25°)
OKLab	oklab(33.9% -0.0115 0.0664)
OKLCH	oklch(33.9% 0.067 99.9)
XYZ	xyz(3.5506, 3.9273, 0.6859)
Luminance	0.0393 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403804 #040C40

analogous

#401A04 #403804 #2A4004

triadic

#403804 #044038 #380440

tetradic

#403804 #04401A #040C40 #40042A

square

#403804 #04401A #040C40 #40042A

split-complementary

#403804 #042A40 #1A0440

monochromatic

#1D1902 #1D1902 #403804 #7A6A08 #B39D0B

Accessibility & contrast

On white

11.76

#403804 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#403804 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403804

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403804	#FFFFFF	#000000	##FFFFFF
##403804	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3600

Deuteranopia (green-blind)

#413907

Tritanopia (blue-blind)

#46332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #403804;
/* rgb */ color: rgb(64, 56, 4);
/* oklch */ color: oklch(33.9% 0.067 99.9);

Tailwind

colors: {
  custom: {
    50: '#786e4a',
    500: '#403804',
    950: '#000000',
  },
}

SCSS

$custom: #403804;
$custom-light: #786e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#403804",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 4
  },
  "hsl": {
    "h": 52,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33896,
    "c": 0.0674,
    "h": 99.9
  },
  "luminance": 0.03927
}

Semantic roles & 50–950 ramp

primary

#403804

secondary

#1F2C81

accent

#46FE29

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403804

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

Preview Lab → · Contrast checker → · Palette generator →