#A01919#A01919

#A01919 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.6% C 0.170 H 27.3°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#A01919
RGB	rgb(160, 25, 25)
HSL	hsl(0, 73%, 36%)
HSV	hsv(0, 84%, 63%)
CMYK	cmyk(0%, 84.4%, 84.4%, 37.3%)
CIE-LAB	lab(34.48, 52.74, 36.86)
CIE-LCH	lch(34.48, 64.35, 34.95°)
OKLab	oklab(45.56% 0.1507 0.0777)
OKLCH	oklch(45.56% 0.17 27.3)
XYZ	xyz(15.0222, 8.2415, 1.7193)
Luminance	0.0824 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01919 #19A0A0

analogous

#A0195D #A01919 #A05D19

triadic

#A01919 #19A019 #1919A0

tetradic

#A01919 #5DA019 #19A0A0 #5D19A0

square

#A01919 #5DA019 #19A0A0 #5D19A0

split-complementary

#A01919 #19A05D #195DA0

monochromatic

#360808 #6B1111 #A01919 #D52121 #E45050

Accessibility & contrast

On white

7.93

#A01919 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#A01919 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01919

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01919	#FFFFFF	#000000	##FFFFFF
##A01919	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463E17

Deuteranopia (green-blind)

#675B11

Tritanopia (blue-blind)

#B1001C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01919;
/* rgb */ color: rgb(160, 25, 25);
/* oklch */ color: oklch(45.6% 0.170 27.3);

Tailwind

colors: {
  custom: {
    50: '#c66657',
    500: '#a01919',
    950: '#000000',
  },
}

SCSS

$custom: #a01919;
$custom-light: #c66657;
$custom-dark: #000000;

JSON

{
  "hex": "#a01919",
  "rgb": {
    "r": 160,
    "g": 25,
    "b": 25
  },
  "hsl": {
    "h": 0,
    "s": 72.973,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45558,
    "c": 0.16952,
    "h": 27.3
  },
  "luminance": 0.08239
}

Semantic roles & 50–950 ramp

primary

#A01919

secondary

#4FC6C6

accent

#F0F038

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150603

muted

#837A78

Preview Lab

Preview with #A01919

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

Preview Lab → · Contrast checker → · Palette generator →