#40110D#40110D

#40110D is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.074 H 28.2°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#40110D
RGB	rgb(64, 17, 13)
HSL	hsl(5, 66%, 15%)
HSV	hsv(5, 80%, 25%)
CMYK	cmyk(0%, 73.4%, 79.7%, 74.9%)
CIE-LAB	lab(12.74, 22.57, 14.12)
CIE-LCH	lch(12.74, 26.62, 32.02°)
OKLab	oklab(25.64% 0.0653 0.0351)
OKLCH	oklch(25.64% 0.074 28.2)
XYZ	xyz(2.3877, 1.5203, 0.5484)
Luminance	0.0152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40110D #0D3C40

analogous

#400D22 #40110D #402B0D

triadic

#40110D #0D4011 #110D40

tetradic

#40110D #22400D #0D3C40 #2B0D40

square

#40110D #22400D #0D3C40 #2B0D40

split-complementary

#40110D #0D402B #0D2240

monochromatic

#190705 #190705 #40110D #731F17 #A62C22

Accessibility & contrast

On white

16.10

#40110D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#40110D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40110D

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40110D	#FFFFFF	#000000	##FFFFFF
##40110D	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0C

Deuteranopia (green-blind)

#2A250C

Tritanopia (blue-blind)

#470610

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #40110d;
/* rgb */ color: rgb(64, 17, 13);
/* oklch */ color: oklch(25.6% 0.074 28.2);

Tailwind

colors: {
  custom: {
    50: '#79524c',
    500: '#40110d',
    950: '#000000',
  },
}

SCSS

$custom: #40110d;
$custom-light: #79524c;
$custom-dark: #000000;

JSON

{
  "hex": "#40110d",
  "rgb": {
    "r": 64,
    "g": 17,
    "b": 13
  },
  "hsl": {
    "h": 4.706,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25637,
    "c": 0.07416,
    "h": 28.2
  },
  "luminance": 0.0152
}

Semantic roles & 50–950 ramp

primary

#40110D

secondary

#2D757C

accent

#DCE93F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40110D

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

Preview Lab → · Contrast checker → · Palette generator →