#A01921#A01921

#A01921 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.6% C 0.169 H 24.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#A01921
RGB	rgb(160, 25, 33)
HSL	hsl(356, 73%, 36%)
HSV	hsv(356, 84%, 63%)
CMYK	cmyk(0%, 84.4%, 79.4%, 37.3%)
CIE-LAB	lab(34.56, 52.99, 32.37)
CIE-LCH	lch(34.56, 62.09, 31.42°)
OKLab	oklab(45.64% 0.1531 0.0708)
OKLCH	oklch(45.64% 0.169 24.8)
XYZ	xyz(15.1212, 8.2811, 2.2408)
Luminance	0.0828 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01921 #19A098

analogous

#A01965 #A01921 #A05519

triadic

#A01921 #21A019 #1921A0

tetradic

#A01921 #65A019 #19A098 #5519A0

square

#A01921 #65A019 #19A098 #5519A0

split-complementary

#A01921 #19A055 #1965A0

monochromatic

#36080B #6B1116 #A01921 #D5212C #E45059

Accessibility & contrast

On white

7.91

#A01921 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01921 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01921

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01921	#FFFFFF	#000000	##FFFFFF
##A01921	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F20

Deuteranopia (green-blind)

#665B1B

Tritanopia (blue-blind)

#B1001E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01921;
/* rgb */ color: rgb(160, 25, 33);
/* oklch */ color: oklch(45.6% 0.169 24.8);

Tailwind

colors: {
  custom: {
    50: '#c5665d',
    500: '#a01921',
    950: '#000000',
  },
}

SCSS

$custom: #a01921;
$custom-light: #c5665d;
$custom-dark: #000000;

JSON

{
  "hex": "#a01921",
  "rgb": {
    "r": 160,
    "g": 25,
    "b": 33
  },
  "hsl": {
    "h": 356.444,
    "s": 72.973,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45644,
    "c": 0.16868,
    "h": 24.8
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#A01921

secondary

#4FC6BF

accent

#F0E538

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01921

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

Preview Lab → · Contrast checker → · Palette generator →