#A01B2A#A01B2A

#A01B2A is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.167 H 21.8°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#A01B2A
RGB	rgb(160, 27, 42)
HSL	hsl(353, 71%, 37%)
HSV	hsv(353, 83%, 63%)
CMYK	cmyk(0%, 83.1%, 73.8%, 37.3%)
CIE-LAB	lab(34.86, 52.83, 27.21)
CIE-LCH	lch(34.86, 59.43, 27.25°)
OKLab	oklab(45.9% 0.1547 0.0619)
OKLCH	oklch(45.9% 0.167 21.8)
XYZ	xyz(15.3089, 8.4271, 3.0106)
Luminance	0.0843 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B2A #1BA091

analogous

#A01B6D #A01B2A #A04F1B

triadic

#A01B2A #2AA01B #1B2AA0

tetradic

#A01B2A #6DA01B #1BA091 #4F1BA0

square

#A01B2A #6DA01B #1BA091 #4F1BA0

split-complementary

#A01B2A #1BA04F #1B6DA0

monochromatic

#37090F #6C121C #A01B2A #D42438 #E25363

Accessibility & contrast

On white

7.82

#A01B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A01B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B2A

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B2A	#FFFFFF	#000000	##FFFFFF
##A01B2A	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454029

Deuteranopia (green-blind)

#665C25

Tritanopia (blue-blind)

#B00022

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01b2a;
/* rgb */ color: rgb(160, 27, 42);
/* oklch */ color: oklch(45.9% 0.167 21.8);

Tailwind

colors: {
  custom: {
    50: '#c56763',
    500: '#a01b2a',
    950: '#000000',
  },
}

SCSS

$custom: #a01b2a;
$custom-light: #c56763;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b2a",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 42
  },
  "hsl": {
    "h": 353.233,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45899,
    "c": 0.1666,
    "h": 21.8
  },
  "luminance": 0.08425
}

Semantic roles & 50–950 ramp

primary

#A01B2A

secondary

#52C5B8

accent

#EEDA3A

background

#FDF6F5

surface

#FAEBEA

border

#D3C6C6

text

#140705

muted

#837A79

Preview Lab

Preview with #A01B2A

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

Preview Lab → · Contrast checker → · Palette generator →