#A01813#A01813

#A01813 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.4% C 0.171 H 28.6°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#A01813
RGB	rgb(160, 24, 19)
HSL	hsl(2, 79%, 35%)
HSV	hsv(2, 88%, 63%)
CMYK	cmyk(0%, 85%, 88.1%, 37.3%)
CIE-LAB	lab(34.35, 52.85, 39.87)
CIE-LCH	lch(34.35, 66.20, 37.03°)
OKLab	oklab(45.44% 0.1499 0.0818)
OKLCH	oklch(45.44% 0.171 28.6)
XYZ	xyz(14.9433, 8.1764, 1.4074)
Luminance	0.0817 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01813 #139BA0

analogous

#A01354 #A01813 #A05F13

triadic

#A01813 #13A018 #1813A0

tetradic

#A01813 #54A013 #139BA0 #5F13A0

square

#A01813 #54A013 #139BA0 #5F13A0

split-complementary

#A01813 #13A05F #1354A0

monochromatic

#330806 #69100D #A01813 #D72019 #E94A45

Accessibility & contrast

On white

7.97

#A01813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#A01813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01813

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01813	#FFFFFF	#000000	##FFFFFF
##A01813	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463E10

Deuteranopia (green-blind)

#675B08

Tritanopia (blue-blind)

#B10019

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01813;
/* rgb */ color: rgb(160, 24, 19);
/* oklch */ color: oklch(45.4% 0.171 28.6);

Tailwind

colors: {
  custom: {
    50: '#c66553',
    500: '#a01813',
    950: '#000000',
  },
}

SCSS

$custom: #a01813;
$custom-light: #c66553;
$custom-dark: #000000;

JSON

{
  "hex": "#a01813",
  "rgb": {
    "r": 160,
    "g": 24,
    "b": 19
  },
  "hsl": {
    "h": 2.128,
    "s": 78.771,
    "l": 35.098
  },
  "oklch": {
    "l": 0.45444,
    "c": 0.17074,
    "h": 28.6
  },
  "luminance": 0.08174
}

Semantic roles & 50–950 ramp

primary

#A01813

secondary

#45C5C9

accent

#EEF533

background

#FDF6F4

surface

#FBEBE7

border

#D4C6C3

text

#150602

muted

#837A78

Preview Lab

Preview with #A01813

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

Preview Lab → · Contrast checker → · Palette generator →