#A01721#A01721

#A01721 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.5% C 0.170 H 24.5°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#A01721
RGB	rgb(160, 23, 33)
HSL	hsl(356, 75%, 36%)
HSV	hsv(356, 86%, 63%)
CMYK	cmyk(0%, 85.6%, 79.4%, 37.3%)
CIE-LAB	lab(34.39, 53.47, 32.19)
CIE-LCH	lch(34.39, 62.41, 31.05°)
OKLab	oklab(45.52% 0.1546 0.0704)
OKLCH	oklch(45.52% 0.17 24.5)
XYZ	xyz(15.0800, 8.1987, 2.2270)
Luminance	0.0820 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01721 #17A096

analogous

#A01765 #A01721 #A05117

triadic

#A01721 #21A017 #1721A0

tetradic

#A01721 #65A017 #17A096 #5117A0

square

#A01721 #65A017 #17A096 #5117A0

split-complementary

#A01721 #17A051 #1765A0

monochromatic

#35080B #6A0F16 #A01721 #D61F2C #E54C57

Accessibility & contrast

On white

7.96

#A01721 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#A01721 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01721

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01721	#FFFFFF	#000000	##FFFFFF
##A01721	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E20

Deuteranopia (green-blind)

#665B1B

Tritanopia (blue-blind)

#B1001D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01721;
/* rgb */ color: rgb(160, 23, 33);
/* oklch */ color: oklch(45.5% 0.170 24.5);

Tailwind

colors: {
  custom: {
    50: '#c5655c',
    500: '#a01721',
    950: '#000000',
  },
}

SCSS

$custom: #a01721;
$custom-light: #c5655c;
$custom-dark: #000000;

JSON

{
  "hex": "#a01721",
  "rgb": {
    "r": 160,
    "g": 23,
    "b": 33
  },
  "hsl": {
    "h": 355.62,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45519,
    "c": 0.1699,
    "h": 24.5
  },
  "luminance": 0.08196
}

Semantic roles & 50–950 ramp

primary

#A01721

secondary

#4CC7BE

accent

#F1E436

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150604

muted

#837A79

Preview Lab

Preview with #A01721

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

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