#40150D#40150D

#40150D is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.3% C 0.069 H 32.5°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#40150D
RGB	rgb(64, 21, 13)
HSL	hsl(9, 66%, 15%)
HSV	hsv(9, 80%, 25%)
CMYK	cmyk(0%, 67.2%, 79.7%, 74.9%)
CIE-LAB	lab(13.57, 20.37, 15.22)
CIE-LCH	lch(13.57, 25.43, 36.77°)
OKLab	oklab(26.26% 0.0585 0.0372)
OKLCH	oklch(26.26% 0.069 32.5)
XYZ	xyz(2.4554, 1.6557, 0.5710)
Luminance	0.0165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40150D #0D3840

analogous

#400D1E #40150D #402F0D

triadic

#40150D #0D4015 #150D40

tetradic

#40150D #1E400D #0D3840 #2F0D40

square

#40150D #1E400D #0D3840 #2F0D40

split-complementary

#40150D #0D402F #0D1E40

monochromatic

#190805 #190805 #40150D #732617 #A63622

Accessibility & contrast

On white

15.78

#40150D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#40150D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40150D

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40150D	#FFFFFF	#000000	##FFFFFF
##40150D	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D0C

Deuteranopia (green-blind)

#2B260C

Tritanopia (blue-blind)

#470C13

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #40150d;
/* rgb */ color: rgb(64, 21, 13);
/* oklch */ color: oklch(26.3% 0.069 32.5);

Tailwind

colors: {
  custom: {
    50: '#79544c',
    500: '#40150d',
    950: '#000000',
  },
}

SCSS

$custom: #40150d;
$custom-light: #79544c;
$custom-dark: #000000;

JSON

{
  "hex": "#40150d",
  "rgb": {
    "r": 64,
    "g": 21,
    "b": 13
  },
  "hsl": {
    "h": 9.412,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26262,
    "c": 0.06928,
    "h": 32.5
  },
  "luminance": 0.01655
}

Semantic roles & 50–950 ramp

primary

#40150D

secondary

#2D6F7C

accent

#CEE93F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #40150D

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

Preview Lab → · Contrast checker → · Palette generator →