#A01C1B#A01C1B

#A01C1B is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.167 H 27.3°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#A01C1B
RGB	rgb(160, 28, 27)
HSL	hsl(0, 71%, 37%)
HSV	hsv(0, 83%, 63%)
CMYK	cmyk(0%, 82.5%, 83.1%, 37.3%)
CIE-LAB	lab(34.77, 52.02, 36.04)
CIE-LCH	lch(34.77, 63.28, 34.71°)
OKLab	oklab(45.78% 0.1488 0.0767)
OKLCH	oklch(45.78% 0.167 27.3)
XYZ	xyz(15.1122, 8.3857, 1.8596)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01C1B #1B9FA0

analogous

#A01B5D #A01C1B #A05F1B

triadic

#A01C1B #1BA01C #1C1BA0

tetradic

#A01C1B #5DA01B #1B9FA0 #5F1BA0

square

#A01C1B #5DA01B #1B9FA0 #5F1BA0

split-complementary

#A01C1B #1BA05F #1B5DA0

monochromatic

#370A09 #6C1312 #A01C1B #D42524 #E25453

Accessibility & contrast

On white

7.85

#A01C1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A01C1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01C1B

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01C1B	#FFFFFF	#000000	##FFFFFF
##A01C1B	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F19

Deuteranopia (green-blind)

#675C14

Tritanopia (blue-blind)

#B1001E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01c1b;
/* rgb */ color: rgb(160, 28, 27);
/* oklch */ color: oklch(45.8% 0.167 27.3);

Tailwind

colors: {
  custom: {
    50: '#c66758',
    500: '#a01c1b',
    950: '#000000',
  },
}

SCSS

$custom: #a01c1b;
$custom-light: #c66758;
$custom-dark: #000000;

JSON

{
  "hex": "#a01c1b",
  "rgb": {
    "r": 160,
    "g": 28,
    "b": 27
  },
  "hsl": {
    "h": 0.451,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45781,
    "c": 0.16739,
    "h": 27.3
  },
  "luminance": 0.08383
}

Semantic roles & 50–950 ramp

primary

#A01C1B

secondary

#52C4C5

accent

#EDEE3A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01C1B

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

Preview Lab → · Contrast checker → · Palette generator →