#A01F18#A01F18

#A01F18 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.0% C 0.166 H 28.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#A01F18
RGB	rgb(160, 31, 24)
HSL	hsl(3, 74%, 36%)
HSV	hsv(3, 85%, 63%)
CMYK	cmyk(0%, 80.6%, 85%, 37.3%)
CIE-LAB	lab(35.05, 51.09, 37.92)
CIE-LCH	lch(35.05, 63.62, 36.58°)
OKLab	oklab(45.98% 0.1453 0.0797)
OKLCH	oklch(45.98% 0.166 28.7)
XYZ	xyz(15.1540, 8.5220, 1.7110)
Luminance	0.0852 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01F18 #1899A0

analogous

#A01855 #A01F18 #A06318

triadic

#A01F18 #18A01F #1F18A0

tetradic

#A01F18 #55A018 #1899A0 #6318A0

square

#A01F18 #55A018 #1899A0 #6318A0

split-complementary

#A01F18 #18A063 #1855A0

monochromatic

#360A08 #6B1510 #A01F18 #D52920 #E4564E

Accessibility & contrast

On white

7.77

#A01F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A01F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01F18

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01F18	#FFFFFF	#000000	##FFFFFF
##A01F18	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)

#494015

Deuteranopia (green-blind)

#685C10

Tritanopia (blue-blind)

#B1001F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01f18;
/* rgb */ color: rgb(160, 31, 24);
/* oklch */ color: oklch(46.0% 0.166 28.7);

Tailwind

colors: {
  custom: {
    50: '#c66857',
    500: '#a01f18',
    950: '#000000',
  },
}

SCSS

$custom: #a01f18;
$custom-light: #c66857;
$custom-dark: #000000;

JSON

{
  "hex": "#a01f18",
  "rgb": {
    "r": 160,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 3.088,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45976,
    "c": 0.16569,
    "h": 28.7
  },
  "luminance": 0.0852
}

Semantic roles & 50–950 ramp

primary

#A01F18

secondary

#4DC0C6

accent

#E7F137

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01F18

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

Preview Lab → · Contrast checker → · Palette generator →