#A01B22#A01B22

#A01B22 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.167 H 24.8°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#A01B22
RGB	rgb(160, 27, 34)
HSL	hsl(357, 71%, 37%)
HSV	hsv(357, 83%, 63%)
CMYK	cmyk(0%, 83.1%, 78.8%, 37.3%)
CIE-LAB	lab(34.75, 52.51, 31.98)
CIE-LCH	lch(34.75, 61.48, 31.34°)
OKLab	oklab(45.79% 0.1518 0.0702)
OKLCH	oklch(45.79% 0.167 24.8)
XYZ	xyz(15.1797, 8.3754, 2.3304)
Luminance	0.0837 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B22 #1BA099

analogous

#A01B65 #A01B22 #A0571B

triadic

#A01B22 #22A01B #1B22A0

tetradic

#A01B22 #65A01B #1BA099 #571BA0

square

#A01B22 #65A01B #1BA099 #571BA0

split-complementary

#A01B22 #1BA057 #1B65A0

monochromatic

#37090C #6C1217 #A01B22 #D4242D #E2535B

Accessibility & contrast

On white

7.85

#A01B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#A01B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B22

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B22	#FFFFFF	#000000	##FFFFFF
##A01B22	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F21

Deuteranopia (green-blind)

#675C1C

Tritanopia (blue-blind)

#B10020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01b22;
/* rgb */ color: rgb(160, 27, 34);
/* oklch */ color: oklch(45.8% 0.167 24.8);

Tailwind

colors: {
  custom: {
    50: '#c5665d',
    500: '#a01b22',
    950: '#000000',
  },
}

SCSS

$custom: #a01b22;
$custom-light: #c5665d;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b22",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 34
  },
  "hsl": {
    "h": 356.842,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45789,
    "c": 0.16729,
    "h": 24.8
  },
  "luminance": 0.08373
}

Semantic roles & 50–950 ramp

primary

#A01B22

secondary

#52C5BF

accent

#EEE43A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01B22

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

Preview Lab → · Contrast checker → · Palette generator →