#A11B17#A11B17

#A11B17 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.169 H 28.2°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#A11B17
RGB	rgb(161, 27, 23)
HSL	hsl(2, 75%, 36%)
HSV	hsv(2, 86%, 63%)
CMYK	cmyk(0%, 83.2%, 85.7%, 36.9%)
CIE-LAB	lab(34.85, 52.48, 38.35)
CIE-LCH	lch(34.85, 65.00, 36.16°)
OKLab	oklab(45.87% 0.1493 0.0801)
OKLCH	oklch(45.87% 0.169 28.2)
XYZ	xyz(15.2465, 8.4253, 1.6339)
Luminance	0.0842 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B17 #179DA1

analogous

#A11758 #A11B17 #A16017

triadic

#A11B17 #17A11B #1B17A1

tetradic

#A11B17 #58A117 #179DA1 #6017A1

square

#A11B17 #58A117 #179DA1 #6017A1

split-complementary

#A11B17 #17A160 #1758A1

monochromatic

#360908 #6B120F #A11B17 #D7241F #E6514D

Accessibility & contrast

On white

7.82

#A11B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A11B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B17

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B17	#FFFFFF	#000000	##FFFFFF
##A11B17	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F14

Deuteranopia (green-blind)

#685C0E

Tritanopia (blue-blind)

#B2001C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11b17;
/* rgb */ color: rgb(161, 27, 23);
/* oklch */ color: oklch(45.9% 0.169 28.2);

Tailwind

colors: {
  custom: {
    50: '#c76656',
    500: '#a11b17',
    950: '#000000',
  },
}

SCSS

$custom: #a11b17;
$custom-light: #c76656;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b17",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 23
  },
  "hsl": {
    "h": 1.739,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45866,
    "c": 0.16944,
    "h": 28.2
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary

#A11B17

secondary

#4CC4C7

accent

#ECF236

background

#FDF6F5

surface

#FBEBE9

border

#D4C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11B17

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

Preview Lab → · Contrast checker → · Palette generator →