#403C2B#403C2B

#403C2B is a dark, muted yellow. Relative luminance 0.045; OKLCH L 35.5% C 0.028 H 96.4°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#403C2B
RGB	rgb(64, 60, 43)
HSL	hsl(49, 20%, 21%)
HSV	hsv(49, 33%, 25%)
CMYK	cmyk(0%, 6.2%, 32.8%, 74.9%)
CIE-LAB	lab(25.25, -1.50, 11.16)
CIE-LCH	lch(25.25, 11.26, 97.65°)
OKLab	oklab(35.51% -0.0032 0.0281)
OKLCH	oklch(35.51% 0.028 96.4)
XYZ	xyz(4.1663, 4.4962, 2.9334)
Luminance	0.0450 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C2B #2B2F40

analogous

#40312B #403C2B #39402B

triadic

#403C2B #2B403C #3C2B40

tetradic

#403C2B #2B4031 #2B2F40 #402B39

square

#403C2B #2B4031 #2B2F40 #402B39

split-complementary

#403C2B #2B3940 #312B40

monochromatic

#12110C #1B1A12 #403C2B #655E44 #89815C

Accessibility & contrast

On white

11.06

#403C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#403C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C2B

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C2B	#FFFFFF	#000000	##FFFFFF
##403C2B	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2A

Deuteranopia (green-blind)

#413C2C

Tritanopia (blue-blind)

#433937

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403c2b;
/* rgb */ color: rgb(64, 60, 43);
/* oklch */ color: oklch(35.5% 0.028 96.4);

Tailwind

colors: {
  custom: {
    50: '#757164',
    500: '#403c2b',
    950: '#000000',
  },
}

SCSS

$custom: #403c2b;
$custom-light: #757164;
$custom-dark: #000000;

JSON

{
  "hex": "#403c2b",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 43
  },
  "hsl": {
    "h": 48.571,
    "s": 19.626,
    "l": 20.98
  },
  "oklch": {
    "l": 0.35507,
    "c": 0.0283,
    "h": 96.4
  },
  "luminance": 0.04496
}

Semantic roles & 50–950 ramp

primary

#403C2B

secondary

#565B71

accent

#7BBC6C

background

#F7F6F5

surface

#EDECEA

border

#C8C7C6

text

#080705

muted

#7B7A79

Preview Lab

Preview with #403C2B

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

Preview Lab → · Contrast checker → · Palette generator →