#A01C21#A01C21

#A01C21 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.167 H 25.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#A01C21
RGB	rgb(160, 28, 33)
HSL	hsl(358, 70%, 37%)
HSV	hsv(358, 83%, 63%)
CMYK	cmyk(0%, 82.5%, 79.4%, 37.3%)
CIE-LAB	lab(34.84, 52.21, 32.66)
CIE-LCH	lch(34.84, 61.58, 32.02°)
OKLab	oklab(45.85% 0.1507 0.0714)
OKLCH	oklch(45.85% 0.167 25.4)
XYZ	xyz(15.1888, 8.4164, 2.2633)
Luminance	0.0841 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01C21 #1CA09B

analogous

#A01C63 #A01C21 #A0591C

triadic

#A01C21 #21A01C #1C21A0

tetradic

#A01C21 #63A01C #1CA09B #591CA0

square

#A01C21 #63A01C #1CA09B #591CA0

split-complementary

#A01C21 #1CA059 #1C63A0

monochromatic

#380A0C #6C1316 #A01C21 #D4252C #E1555A

Accessibility & contrast

On white

7.83

#A01C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A01C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01C21

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01C21	#FFFFFF	#000000	##FFFFFF
##A01C21	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474020

Deuteranopia (green-blind)

#675C1B

Tritanopia (blue-blind)

#B10020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01c21;
/* rgb */ color: rgb(160, 28, 33);
/* oklch */ color: oklch(45.8% 0.167 25.4);

Tailwind

colors: {
  custom: {
    50: '#c5675d',
    500: '#a01c21',
    950: '#000000',
  },
}

SCSS

$custom: #a01c21;
$custom-light: #c5675d;
$custom-dark: #000000;

JSON

{
  "hex": "#a01c21",
  "rgb": {
    "r": 160,
    "g": 28,
    "b": 33
  },
  "hsl": {
    "h": 357.727,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45847,
    "c": 0.16672,
    "h": 25.4
  },
  "luminance": 0.08414
}

Semantic roles & 50–950 ramp

primary

#A01C21

secondary

#53C4C0

accent

#EDE63B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01C21

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

Preview Lab → · Contrast checker → · Palette generator →