#A01B3B#A01B3B

#A01B3B is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.2% C 0.166 H 14.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#A01B3B
RGB	rgb(160, 27, 59)
HSL	hsl(346, 71%, 37%)
HSV	hsv(346, 83%, 63%)
CMYK	cmyk(0%, 83.1%, 63.1%, 37.3%)
CIE-LAB	lab(35.15, 53.73, 16.74)
CIE-LCH	lch(35.15, 56.28, 17.30°)
OKLab	oklab(46.21% 0.1614 0.0407)
OKLCH	oklch(46.21% 0.166 14.2)
XYZ	xyz(15.6802, 8.5756, 4.9664)
Luminance	0.0857 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B3B #1BA080

analogous

#A01B7E #A01B3B #A03E1B

triadic

#A01B3B #3BA01B #1B3BA0

tetradic

#A01B3B #7EA01B #1BA080 #3E1BA0

square

#A01B3B #7EA01B #1BA080 #3E1BA0

split-complementary

#A01B3B #1BA03E #1B7EA0

monochromatic

#370914 #6C1228 #A01B3B #D4244E #E25376

Accessibility & contrast

On white

7.74

#A01B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A01B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B3B

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B3B	#FFFFFF	#000000	##FFFFFF
##A01B3B	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43413B

Deuteranopia (green-blind)

#645C37

Tritanopia (blue-blind)

#B00029

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a01b3b;
/* rgb */ color: rgb(160, 27, 59);
/* oklch */ color: oklch(46.2% 0.166 14.2);

Tailwind

colors: {
  custom: {
    50: '#c36770',
    500: '#a01b3b',
    950: '#000000',
  },
}

SCSS

$custom: #a01b3b;
$custom-light: #c36770;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b3b",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 59
  },
  "hsl": {
    "h": 345.564,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.46214,
    "c": 0.16644,
    "h": 14.2
  },
  "luminance": 0.08573
}

Semantic roles & 50–950 ramp

primary

#A01B3B

secondary

#52C5A9

accent

#EEC33A

background

#FCF6F6

surface

#F9EBEC

border

#D2C6C7

text

#140707

muted

#827A7A

Preview Lab

Preview with #A01B3B

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

Preview Lab → · Contrast checker → · Palette generator →