#40402C#40402C

#40402C is a dark, muted yellow. Relative luminance 0.049; OKLCH L 36.6% C 0.032 H 107.9°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#40402C
RGB	rgb(64, 64, 44)
HSL	hsl(60, 19%, 21%)
HSV	hsv(60, 31%, 25%)
CMYK	cmyk(0%, 0%, 31.2%, 74.9%)
CIE-LAB	lab(26.56, -3.88, 12.28)
CIE-LCH	lch(26.56, 12.88, 107.54°)
OKLab	oklab(36.55% -0.01 0.0308)
OKLCH	oklch(36.55% 0.032 107.9)
XYZ	xyz(4.4024, 4.9387, 3.1037)
Luminance	0.0494 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40402C #2C2C40

analogous

#40362C #40402C #36402C

triadic

#40402C #2C4040 #402C40

tetradic

#40402C #2C4036 #2C2C40 #402C36

square

#40402C #2C4036 #2C2C40 #402C36

split-complementary

#40402C #2C3640 #362C40

monochromatic

#12120C #1C1C13 #40402C #646445 #89895E

Accessibility & contrast

On white

10.56

#40402C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#40402C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40402C

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40402C	#FFFFFF	#000000	##FFFFFF
##40402C	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433E2B

Deuteranopia (green-blind)

#443F2D

Tritanopia (blue-blind)

#433E3B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40402c;
/* rgb */ color: rgb(64, 64, 44);
/* oklch */ color: oklch(36.6% 0.032 107.9);

Tailwind

colors: {
  custom: {
    50: '#757465',
    500: '#40402c',
    950: '#000000',
  },
}

SCSS

$custom: #40402c;
$custom-light: #757465;
$custom-dark: #000000;

JSON

{
  "hex": "#40402c",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 44
  },
  "hsl": {
    "h": 60,
    "s": 18.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.36552,
    "c": 0.03239,
    "h": 107.9
  },
  "luminance": 0.04939
}

Semantic roles & 50–950 ramp

primary

#40402C

secondary

#575771

accent

#6DBB6D

background

#F7F7F6

surface

#EDEDEB

border

#C8C8C6

text

#080805

muted

#7B7B7A

Preview Lab

Preview with #40402C

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

Preview Lab → · Contrast checker → · Palette generator →