#A01F17#A01F17

#A01F17 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.166 H 29.0°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#A01F17
RGB	rgb(160, 31, 23)
HSL	hsl(4, 75%, 36%)
HSV	hsv(4, 86%, 63%)
CMYK	cmyk(0%, 80.6%, 85.6%, 37.3%)
CIE-LAB	lab(35.04, 51.07, 38.43)
CIE-LCH	lch(35.04, 63.91, 36.97°)
OKLab	oklab(45.97% 0.145 0.0804)
OKLCH	oklch(45.97% 0.166 29)
XYZ	xyz(15.1437, 8.5179, 1.6572)
Luminance	0.0852 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01F17 #1798A0

analogous

#A01753 #A01F17 #A06317

triadic

#A01F17 #17A01F #1F17A0

tetradic

#A01F17 #53A017 #1798A0 #6317A0

square

#A01F17 #53A017 #1798A0 #6317A0

split-complementary

#A01F17 #17A063 #1753A0

monochromatic

#350A08 #6A150F #A01F17 #D6291F #E5554C

Accessibility & contrast

On white

7.77

#A01F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A01F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01F17

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01F17	#FFFFFF	#000000	##FFFFFF
##A01F17	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494014

Deuteranopia (green-blind)

#685C0F

Tritanopia (blue-blind)

#B1001F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01f17;
/* rgb */ color: rgb(160, 31, 23);
/* oklch */ color: oklch(46.0% 0.166 29.0);

Tailwind

colors: {
  custom: {
    50: '#c66856',
    500: '#a01f17',
    950: '#000000',
  },
}

SCSS

$custom: #a01f17;
$custom-light: #c66856;
$custom-dark: #000000;

JSON

{
  "hex": "#a01f17",
  "rgb": {
    "r": 160,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 3.504,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45967,
    "c": 0.16581,
    "h": 29
  },
  "luminance": 0.08515
}

Semantic roles & 50–950 ramp

primary

#A01F17

secondary

#4CC0C7

accent

#E7F136

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01F17

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

Preview Lab → · Contrast checker → · Palette generator →