#A01D21#A01D21

#A01D21 is a mid, vivid red. Relative luminance 0.085; OKLCH L 45.9% C 0.166 H 25.6°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#A01D21
RGB	rgb(160, 29, 33)
HSL	hsl(358, 69%, 37%)
HSV	hsv(358, 82%, 63%)
CMYK	cmyk(0%, 81.9%, 79.4%, 37.3%)
CIE-LAB	lab(34.93, 51.94, 32.76)
CIE-LCH	lch(34.93, 61.41, 32.24°)
OKLab	oklab(45.92% 0.1498 0.0716)
OKLCH	oklch(45.92% 0.166 25.6)
XYZ	xyz(15.2129, 8.4646, 2.2714)
Luminance	0.0846 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01D21 #1DA09C

analogous

#A01D63 #A01D21 #A05B1D

triadic

#A01D21 #21A01D #1D21A0

tetradic

#A01D21 #63A01D #1DA09C #5B1DA0

square

#A01D21 #63A01D #1DA09C #5B1DA0

split-complementary

#A01D21 #1DA05B #1D63A0

monochromatic

#380A0C #6C1416 #A01D21 #D4262C #E1575B

Accessibility & contrast

On white

7.80

#A01D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A01D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01D21

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01D21	#FFFFFF	#000000	##FFFFFF
##A01D21	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47401F

Deuteranopia (green-blind)

#675C1B

Tritanopia (blue-blind)

#B10020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01d21;
/* rgb */ color: rgb(160, 29, 33);
/* oklch */ color: oklch(45.9% 0.166 25.6);

Tailwind

colors: {
  custom: {
    50: '#c5675d',
    500: '#a01d21',
    950: '#000000',
  },
}

SCSS

$custom: #a01d21;
$custom-light: #c5675d;
$custom-dark: #000000;

JSON

{
  "hex": "#a01d21",
  "rgb": {
    "r": 160,
    "g": 29,
    "b": 33
  },
  "hsl": {
    "h": 358.168,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45918,
    "c": 0.16603,
    "h": 25.6
  },
  "luminance": 0.08462
}

Semantic roles & 50–950 ramp

primary

#A01D21

secondary

#55C4C1

accent

#ECE73C

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01D21

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

Preview Lab → · Contrast checker → · Palette generator →