#A11C23#A11C23

#A11C23 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.1% C 0.167 H 24.7°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#A11C23
RGB	rgb(161, 28, 35)
HSL	hsl(357, 70%, 37%)
HSV	hsv(357, 83%, 63%)
CMYK	cmyk(0%, 82.6%, 78.3%, 36.9%)
CIE-LAB	lab(35.07, 52.58, 31.78)
CIE-LCH	lch(35.07, 61.44, 31.15°)
OKLab	oklab(46.06% 0.1521 0.07)
OKLCH	oklch(46.06% 0.167 24.7)
XYZ	xyz(15.4184, 8.5314, 2.4247)
Luminance	0.0853 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11C23 #1CA19A

analogous

#A11C66 #A11C23 #A1581C

triadic

#A11C23 #23A11C #1C23A1

tetradic

#A11C23 #66A11C #1CA19A #581CA1

square

#A11C23 #66A11C #1CA19A #581CA1

split-complementary

#A11C23 #1CA158 #1C66A1

monochromatic

#390A0C #6D1318 #A11C23 #D5252E #E2565D

Accessibility & contrast

On white

7.76

#A11C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A11C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11C23

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11C23	#FFFFFF	#000000	##FFFFFF
##A11C23	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474022

Deuteranopia (green-blind)

#685D1D

Tritanopia (blue-blind)

#B20020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11c23;
/* rgb */ color: rgb(161, 28, 35);
/* oklch */ color: oklch(46.1% 0.167 24.7);

Tailwind

colors: {
  custom: {
    50: '#c6675e',
    500: '#a11c23',
    950: '#000000',
  },
}

SCSS

$custom: #a11c23;
$custom-light: #c6675e;
$custom-dark: #000000;

JSON

{
  "hex": "#a11c23",
  "rgb": {
    "r": 161,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 356.842,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46061,
    "c": 0.16747,
    "h": 24.7
  },
  "luminance": 0.08529
}

Semantic roles & 50–950 ramp

primary

#A11C23

secondary

#54C5BF

accent

#EDE43B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11C23

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

Preview Lab → · Contrast checker → · Palette generator →