#403908#403908

#403908 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.2% C 0.065 H 100.7°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#403908
RGB	rgb(64, 57, 8)
HSL	hsl(53, 78%, 14%)
HSV	hsv(53, 88%, 25%)
CMYK	cmyk(0%, 10.9%, 87.5%, 74.9%)
CIE-LAB	lab(23.78, -3.23, 29.31)
CIE-LCH	lch(23.78, 29.49, 96.29°)
OKLab	oklab(34.19% -0.0122 0.0642)
OKLCH	oklch(34.19% 0.065 100.7)
XYZ	xyz(3.6215, 4.0339, 0.8176)
Luminance	0.0403 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403908 #080F40

analogous

#401D08 #403908 #2B4008

triadic

#403908 #084039 #390840

tetradic

#403908 #08401D #080F40 #40082B

square

#403908 #08401D #080F40 #40082B

split-complementary

#403908 #082B40 #1D0840

monochromatic

#1B1803 #1B1803 #403908 #76690F #AD9A16

Accessibility & contrast

On white

11.62

#403908 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#403908 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403908

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403908	#FFFFFF	#000000	##FFFFFF
##403908	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3701

Deuteranopia (green-blind)

#413A0B

Tritanopia (blue-blind)

#463430

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403908;
/* rgb */ color: rgb(64, 57, 8);
/* oklch */ color: oklch(34.2% 0.065 100.7);

Tailwind

colors: {
  custom: {
    50: '#776f4c',
    500: '#403908',
    950: '#000000',
  },
}

SCSS

$custom: #403908;
$custom-light: #776f4c;
$custom-dark: #000000;

JSON

{
  "hex": "#403908",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 8
  },
  "hsl": {
    "h": 52.5,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.34186,
    "c": 0.06535,
    "h": 100.7
  },
  "luminance": 0.04034
}

Semantic roles & 50–950 ramp

primary

#403908

secondary

#25307E

accent

#4CF434

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403908

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

Preview Lab → · Contrast checker → · Palette generator →