#40110A#40110A

#40110A is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.075 H 31.1°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#40110A
RGB	rgb(64, 17, 10)
HSL	hsl(8, 73%, 15%)
HSV	hsv(8, 84%, 25%)
CMYK	cmyk(0%, 73.4%, 84.4%, 74.9%)
CIE-LAB	lab(12.69, 22.40, 15.38)
CIE-LCH	lch(12.69, 27.17, 34.47°)
OKLab	oklab(25.59% 0.0641 0.0387)
OKLCH	oklch(25.59% 0.075 31.1)
XYZ	xyz(2.3698, 1.5131, 0.4544)
Luminance	0.0151 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40110A #0A3940

analogous

#400A1E #40110A #402C0A

triadic

#40110A #0A4011 #110A40

tetradic

#40110A #1E400A #0A3940 #2C0A40

square

#40110A #1E400A #0A3940 #2C0A40

split-complementary

#40110A #0A402C #0A1E40

monochromatic

#1A0704 #1A0704 #40110A #751F12 #AA2D1B

Accessibility & contrast

On white

16.12

#40110A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#40110A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40110A

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40110A	#FFFFFF	#000000	##FFFFFF
##40110A	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A09

Deuteranopia (green-blind)

#2A2508

Tritanopia (blue-blind)

#470510

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #40110a;
/* rgb */ color: rgb(64, 17, 10);
/* oklch */ color: oklch(25.6% 0.075 31.1);

Tailwind

colors: {
  custom: {
    50: '#79524b',
    500: '#40110a',
    950: '#000000',
  },
}

SCSS

$custom: #40110a;
$custom-light: #79524b;
$custom-dark: #000000;

JSON

{
  "hex": "#40110a",
  "rgb": {
    "r": 64,
    "g": 17,
    "b": 10
  },
  "hsl": {
    "h": 7.778,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25589,
    "c": 0.07486,
    "h": 31.1
  },
  "luminance": 0.01513
}

Semantic roles & 50–950 ramp

primary

#40110A

secondary

#29727D

accent

#D8F038

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40110A

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

Preview Lab → · Contrast checker → · Palette generator →