#A01B28#A01B28

#A01B28 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.167 H 22.6°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#A01B28
RGB	rgb(160, 27, 40)
HSL	hsl(354, 71%, 37%)
HSV	hsv(354, 83%, 63%)
CMYK	cmyk(0%, 83.1%, 75%, 37.3%)
CIE-LAB	lab(34.83, 52.75, 28.42)
CIE-LCH	lch(34.83, 59.91, 28.31°)
OKLab	oklab(45.87% 0.1539 0.0641)
OKLCH	oklch(45.87% 0.167 22.6)
XYZ	xyz(15.2740, 8.4131, 2.8267)
Luminance	0.0841 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B28 #1BA093

analogous

#A01B6B #A01B28 #A0501B

triadic

#A01B28 #28A01B #1B28A0

tetradic

#A01B28 #6BA01B #1BA093 #501BA0

square

#A01B28 #6BA01B #1BA093 #501BA0

split-complementary

#A01B28 #1BA050 #1B6BA0

monochromatic

#37090E #6C121B #A01B28 #D42435 #E25361

Accessibility & contrast

On white

7.83

#A01B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A01B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B28

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B28	#FFFFFF	#000000	##FFFFFF
##A01B28	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)

#464027

Deuteranopia (green-blind)

#665C23

Tritanopia (blue-blind)

#B00022

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01b28;
/* rgb */ color: rgb(160, 27, 40);
/* oklch */ color: oklch(45.9% 0.167 22.6);

Tailwind

colors: {
  custom: {
    50: '#c56762',
    500: '#a01b28',
    950: '#000000',
  },
}

SCSS

$custom: #a01b28;
$custom-light: #c56762;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b28",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 40
  },
  "hsl": {
    "h": 354.135,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45869,
    "c": 0.16675,
    "h": 22.6
  },
  "luminance": 0.08411
}

Semantic roles & 50–950 ramp

primary

#A01B28

secondary

#52C5BA

accent

#EEDC3A

background

#FDF6F5

surface

#FAEBEA

border

#D3C6C6

text

#140705

muted

#837A79

Preview Lab

Preview with #A01B28

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

Preview Lab → · Contrast checker → · Palette generator →