#A01A18#A01A18

#A01A18 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.6% C 0.169 H 27.7°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#A01A18
RGB	rgb(160, 26, 24)
HSL	hsl(1, 74%, 36%)
HSV	hsv(1, 85%, 63%)
CMYK	cmyk(0%, 83.8%, 85%, 37.3%)
CIE-LAB	lab(34.56, 52.47, 37.47)
CIE-LCH	lch(34.56, 64.48, 35.54°)
OKLab	oklab(45.62% 0.1496 0.0787)
OKLCH	oklch(45.62% 0.169 27.7)
XYZ	xyz(15.0334, 8.2808, 1.6708)
Luminance	0.0828 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01A18 #189EA0

analogous

#A0185A #A01A18 #A05E18

triadic

#A01A18 #18A01A #1A18A0

tetradic

#A01A18 #5AA018 #189EA0 #5E18A0

square

#A01A18 #5AA018 #189EA0 #5E18A0

split-complementary

#A01A18 #18A05E #185AA0

monochromatic

#360908 #6B1110 #A01A18 #D52320 #E4504E

Accessibility & contrast

On white

7.91

#A01A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01A18

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01A18	#FFFFFF	#000000	##FFFFFF
##A01A18	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F15

Deuteranopia (green-blind)

#675C10

Tritanopia (blue-blind)

#B1001C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01a18;
/* rgb */ color: rgb(160, 26, 24);
/* oklch */ color: oklch(45.6% 0.169 27.7);

Tailwind

colors: {
  custom: {
    50: '#c66656',
    500: '#a01a18',
    950: '#000000',
  },
}

SCSS

$custom: #a01a18;
$custom-light: #c66656;
$custom-dark: #000000;

JSON

{
  "hex": "#a01a18",
  "rgb": {
    "r": 160,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 0.882,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45615,
    "c": 0.16901,
    "h": 27.7
  },
  "luminance": 0.08278
}

Semantic roles & 50–950 ramp

primary

#A01A18

secondary

#4DC5C6

accent

#EEF137

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A01A18

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

Preview Lab → · Contrast checker → · Palette generator →