#40131A#40131A

#40131A is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.2% C 0.070 H 14.0°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#40131A
RGB	rgb(64, 19, 26)
HSL	hsl(351, 54%, 16%)
HSV	hsv(351, 70%, 25%)
CMYK	cmyk(0%, 70.3%, 59.4%, 74.9%)
CIE-LAB	lab(13.42, 22.58, 6.73)
CIE-LCH	lch(13.42, 23.56, 16.60°)
OKLab	oklab(26.24% 0.0681 0.017)
OKLCH	oklch(26.24% 0.07 14)
XYZ	xyz(2.5339, 1.6306, 1.1584)
Luminance	0.0163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40131A #134039

analogous

#401331 #40131A #402313

triadic

#40131A #1A4013 #131A40

tetradic

#40131A #314013 #134039 #231340

square

#40131A #314013 #134039 #231340

split-complementary

#40131A #134023 #133140

monochromatic

#18070A #18070A #40131A #6F212D #9E2F40

Accessibility & contrast

On white

15.84

#40131A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#40131A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40131A

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40131A	#FFFFFF	#000000	##FFFFFF
##40131A	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1D1A

Deuteranopia (green-blind)

#292619

Tritanopia (blue-blind)

#460C16

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #40131a;
/* rgb */ color: rgb(64, 19, 26);
/* oklch */ color: oklch(26.2% 0.070 14.0);

Tailwind

colors: {
  custom: {
    50: '#785356',
    500: '#40131a',
    950: '#000000',
  },
}

SCSS

$custom: #40131a;
$custom-light: #785356;
$custom-dark: #000000;

JSON

{
  "hex": "#40131a",
  "rgb": {
    "r": 64,
    "g": 19,
    "b": 26
  },
  "hsl": {
    "h": 350.667,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.26237,
    "c": 0.07017,
    "h": 14
  },
  "luminance": 0.0163
}

Semantic roles & 50–950 ramp

primary

#40131A

secondary

#36796E

accent

#DEC74A

background

#F7F4F5

surface

#EEE7E8

border

#C9C3C4

text

#090203

muted

#7B7878

Preview Lab

Preview with #40131A

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

Preview Lab → · Contrast checker → · Palette generator →