#A11C20#A11C20

#A11C20 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.168 H 25.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#A11C20
RGB	rgb(161, 28, 32)
HSL	hsl(358, 70%, 37%)
HSV	hsv(358, 83%, 63%)
CMYK	cmyk(0%, 82.6%, 80.1%, 36.9%)
CIE-LAB	lab(35.03, 52.47, 33.51)
CIE-LCH	lch(35.03, 62.26, 32.56°)
OKLab	oklab(46.03% 0.1511 0.0729)
OKLCH	oklch(46.03% 0.168 25.7)
XYZ	xyz(15.3758, 8.5144, 2.2001)
Luminance	0.0851 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11C20 #1CA19D

analogous

#A11C63 #A11C20 #A15A1C

triadic

#A11C20 #20A11C #1C20A1

tetradic

#A11C20 #63A11C #1CA19D #5A1CA1

square

#A11C20 #63A11C #1CA19D #5A1CA1

split-complementary

#A11C20 #1CA15A #1C63A1

monochromatic

#390A0B #6D1316 #A11C20 #D5252A #E2565A

Accessibility & contrast

On white

7.77

#A11C20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A11C20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11C20

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11C20	#FFFFFF	#000000	##FFFFFF
##A11C20	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47401E

Deuteranopia (green-blind)

#685D1A

Tritanopia (blue-blind)

#B20020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11c20;
/* rgb */ color: rgb(161, 28, 32);
/* oklch */ color: oklch(46.0% 0.168 25.7);

Tailwind

colors: {
  custom: {
    50: '#c6675c',
    500: '#a11c20',
    950: '#000000',
  },
}

SCSS

$custom: #a11c20;
$custom-light: #c6675c;
$custom-dark: #000000;

JSON

{
  "hex": "#a11c20",
  "rgb": {
    "r": 161,
    "g": 28,
    "b": 32
  },
  "hsl": {
    "h": 358.195,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46025,
    "c": 0.16778,
    "h": 25.7
  },
  "luminance": 0.08512
}

Semantic roles & 50–950 ramp

primary

#A11C20

secondary

#54C5C1

accent

#EDE83B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11C20

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

Preview Lab → · Contrast checker → · Palette generator →