#A01B17#A01B17

#A01B17 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.168 H 28.2°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#A01B17
RGB	rgb(160, 27, 23)
HSL	hsl(2, 75%, 36%)
HSV	hsv(2, 86%, 63%)
CMYK	cmyk(0%, 83.1%, 85.6%, 37.3%)
CIE-LAB	lab(34.64, 52.18, 38.08)
CIE-LCH	lch(34.64, 64.60, 36.12°)
OKLab	oklab(45.67% 0.1485 0.0796)
OKLCH	oklch(45.67% 0.168 28.2)
XYZ	xyz(15.0457, 8.3218, 1.6245)
Luminance	0.0832 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01B17 #179CA0

analogous

#A01757 #A01B17 #A05F17

triadic

#A01B17 #17A01B #1B17A0

tetradic

#A01B17 #57A017 #179CA0 #5F17A0

square

#A01B17 #57A017 #179CA0 #5F17A0

split-complementary

#A01B17 #17A05F #1757A0

monochromatic

#350908 #6A120F #A01B17 #D6241F #E5514C

Accessibility & contrast

On white

7.88

#A01B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01B17

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01B17	#FFFFFF	#000000	##FFFFFF
##A01B17	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F14

Deuteranopia (green-blind)

#675C0F

Tritanopia (blue-blind)

#B1001C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01b17;
/* rgb */ color: rgb(160, 27, 23);
/* oklch */ color: oklch(45.7% 0.168 28.2);

Tailwind

colors: {
  custom: {
    50: '#c66656',
    500: '#a01b17',
    950: '#000000',
  },
}

SCSS

$custom: #a01b17;
$custom-light: #c66656;
$custom-dark: #000000;

JSON

{
  "hex": "#a01b17",
  "rgb": {
    "r": 160,
    "g": 27,
    "b": 23
  },
  "hsl": {
    "h": 1.752,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45674,
    "c": 0.16849,
    "h": 28.2
  },
  "luminance": 0.08319
}

Semantic roles & 50–950 ramp

primary

#A01B17

secondary

#4CC3C7

accent

#ECF136

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01B17

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

Preview Lab → · Contrast checker → · Palette generator →