#A11D21#A11D21

#A11D21 is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.1% C 0.167 H 25.6°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#A11D21
RGB	rgb(161, 29, 33)
HSL	hsl(358, 69%, 37%)
HSV	hsv(358, 82%, 63%)
CMYK	cmyk(0%, 82%, 79.5%, 36.9%)
CIE-LAB	lab(35.14, 52.24, 33.04)
CIE-LCH	lch(35.14, 61.81, 32.31°)
OKLab	oklab(46.11% 0.1506 0.0722)
OKLCH	oklch(46.11% 0.167 25.6)
XYZ	xyz(15.4137, 8.5681, 2.2808)
Luminance	0.0857 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D21 #1DA19D

analogous

#A11D63 #A11D21 #A15B1D

triadic

#A11D21 #21A11D #1D21A1

tetradic

#A11D21 #63A11D #1DA19D #5B1DA1

square

#A11D21 #63A11D #1DA19D #5B1DA1

split-complementary

#A11D21 #1DA15B #1D63A1

monochromatic

#390A0C #6D1416 #A11D21 #D5262C #E1585C

Accessibility & contrast

On white

7.74

#A11D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A11D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D21

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D21	#FFFFFF	#000000	##FFFFFF
##A11D21	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48401F

Deuteranopia (green-blind)

#685D1B

Tritanopia (blue-blind)

#B20020

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11d21;
/* rgb */ color: rgb(161, 29, 33);
/* oklch */ color: oklch(46.1% 0.167 25.6);

Tailwind

colors: {
  custom: {
    50: '#c6675d',
    500: '#a11d21',
    950: '#000000',
  },
}

SCSS

$custom: #a11d21;
$custom-light: #c6675d;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d21",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 33
  },
  "hsl": {
    "h": 358.182,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46108,
    "c": 0.167,
    "h": 25.6
  },
  "luminance": 0.08566
}

Semantic roles & 50–950 ramp

primary

#A11D21

secondary

#55C4C1

accent

#ECE73C

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11D21

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

Preview Lab → · Contrast checker → · Palette generator →