#403B08#403B08

#403B08 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.067 H 103.5°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#403B08
RGB	rgb(64, 59, 8)
HSL	hsl(55, 78%, 14%)
HSV	hsv(55, 88%, 25%)
CMYK	cmyk(0%, 7.8%, 87.5%, 74.9%)
CIE-LAB	lab(24.44, -4.49, 29.96)
CIE-LCH	lch(24.44, 30.29, 98.53°)
OKLab	oklab(34.71% -0.0157 0.0655)
OKLCH	oklch(34.71% 0.067 103.5)
XYZ	xyz(3.7223, 4.2356, 0.8512)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B08 #080D40

analogous

#401F08 #403B08 #294008

triadic

#403B08 #08403B #3B0840

tetradic

#403B08 #08401F #080D40 #400829

square

#403B08 #08401F #080D40 #400829

split-complementary

#403B08 #082940 #1F0840

monochromatic

#1B1903 #1B1903 #403B08 #766D0F #AD9F16

Accessibility & contrast

On white

11.37

#403B08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B08

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B08	#FFFFFF	#000000	##FFFFFF
##403B08	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413901

Deuteranopia (green-blind)

#433B0C

Tritanopia (blue-blind)

#463631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b08;
/* rgb */ color: rgb(64, 59, 8);
/* oklch */ color: oklch(34.7% 0.067 103.5);

Tailwind

colors: {
  custom: {
    50: '#77704c',
    500: '#403b08',
    950: '#000000',
  },
}

SCSS

$custom: #403b08;
$custom-light: #77704c;
$custom-dark: #000000;

JSON

{
  "hex": "#403b08",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 8
  },
  "hsl": {
    "h": 54.643,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.34705,
    "c": 0.06735,
    "h": 103.5
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#403B08

secondary

#252D7E

accent

#45F434

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403B08

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

Preview Lab → · Contrast checker → · Palette generator →