#403C28#403C28

#403C28 is a dark, muted yellow. Relative luminance 0.045; OKLCH L 35.4% C 0.033 H 98.2°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#403C28
RGB	rgb(64, 60, 40)
HSL	hsl(50, 23%, 20%)
HSV	hsv(50, 38%, 25%)
CMYK	cmyk(0%, 6.2%, 37.5%, 74.9%)
CIE-LAB	lab(25.18, -1.97, 13.02)
CIE-LCH	lch(25.18, 13.16, 98.61°)
OKLab	oklab(35.44% -0.0047 0.0325)
OKLCH	oklch(35.44% 0.033 98.2)
XYZ	xyz(4.1133, 4.4750, 2.6542)
Luminance	0.0447 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C28 #282C40

analogous

#403028 #403C28 #384028

triadic

#403C28 #28403C #3C2840

tetradic

#403C28 #284030 #282C40 #402838

square

#403C28 #284030 #282C40 #402838

split-complementary

#403C28 #283840 #302840

monochromatic

#13120C #1A1910 #403C28 #665F40 #8B8357

Accessibility & contrast

On white

11.08

#403C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#403C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C28

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C28	#FFFFFF	#000000	##FFFFFF
##403C28	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403B27

Deuteranopia (green-blind)

#413C29

Tritanopia (blue-blind)

#443937

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403c28;
/* rgb */ color: rgb(64, 60, 40);
/* oklch */ color: oklch(35.4% 0.033 98.2);

Tailwind

colors: {
  custom: {
    50: '#757162',
    500: '#403c28',
    950: '#000000',
  },
}

SCSS

$custom: #403c28;
$custom-light: #757162;
$custom-dark: #000000;

JSON

{
  "hex": "#403c28",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 50,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.35435,
    "c": 0.03279,
    "h": 98.2
  },
  "luminance": 0.04475
}

Semantic roles & 50–950 ramp

primary

#403C28

secondary

#525772

accent

#77C068

background

#F7F6F5

surface

#EDECEA

border

#C8C7C6

text

#080705

muted

#7B7A79

Preview Lab

Preview with #403C28

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

Preview Lab → · Contrast checker → · Palette generator →