#40191C#40191C

#40191C is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.3% C 0.061 H 17.3°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#40191C
RGB	rgb(64, 25, 28)
HSL	hsl(355, 44%, 17%)
HSV	hsv(355, 61%, 25%)
CMYK	cmyk(0%, 60.9%, 56.2%, 74.9%)
CIE-LAB	lab(14.79, 19.33, 7.15)
CIE-LCH	lch(14.79, 20.61, 20.31°)
OKLab	oklab(27.28% 0.0581 0.0181)
OKLCH	oklch(27.28% 0.061 17.3)
XYZ	xyz(2.6718, 1.8694, 1.3185)
Luminance	0.0187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40191C #19403D

analogous

#40192F #40191C #402A19

triadic

#40191C #1C4019 #191C40

tetradic

#40191C #2F4019 #19403D #2A1940

square

#40191C #2F4019 #19403D #2A1940

split-complementary

#40191C #19402A #192F40

monochromatic

#16090A #16090A #40191C #6C2A2F #983B43

Accessibility & contrast

On white

15.29

#40191C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#40191C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40191C

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40191C	#FFFFFF	#000000	##FFFFFF
##40191C	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22201C

Deuteranopia (green-blind)

#2B281B

Tritanopia (blue-blind)

#46131A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #40191c;
/* rgb */ color: rgb(64, 25, 28);
/* oklch */ color: oklch(27.3% 0.061 17.3);

Tailwind

colors: {
  custom: {
    50: '#775757',
    500: '#40191c',
    950: '#000000',
  },
}

SCSS

$custom: #40191c;
$custom-light: #775757;
$custom-dark: #000000;

JSON

{
  "hex": "#40191c",
  "rgb": {
    "r": 64,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 355.385,
    "s": 43.82,
    "l": 17.451
  },
  "oklch": {
    "l": 0.27285,
    "c": 0.06089,
    "h": 17.3
  },
  "luminance": 0.01869
}

Semantic roles & 50–950 ramp

primary

#40191C

secondary

#3F7672

accent

#D4CA54

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #40191C

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

Preview Lab → · Contrast checker → · Palette generator →