#A71E1C#A71E1C

#A71E1C is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.3% C 0.173 H 27.5°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#A71E1C
RGB	rgb(167, 30, 28)
HSL	hsl(1, 71%, 38%)
HSV	hsv(1, 83%, 65%)
CMYK	cmyk(0%, 82%, 83.2%, 34.5%)
CIE-LAB	lab(36.42, 53.59, 37.57)
CIE-LCH	lch(36.42, 65.45, 35.03°)
OKLab	oklab(47.26% 0.1531 0.0798)
OKLCH	oklch(47.26% 0.173 27.5)
XYZ	xyz(16.6123, 9.2306, 2.0054)
Luminance	0.0923 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71E1C #1CA5A7

analogous

#A71C5F #A71E1C #A7631C

triadic

#A71E1C #1CA71E #1E1CA7

tetradic

#A71E1C #5FA71C #1CA5A7 #631CA7

square

#A71E1C #5FA71C #1CA5A7 #631CA7

split-complementary

#A71E1C #1CA763 #1C5FA7

monochromatic

#3E0B0A #731513 #A71E1C #DB2826 #E35C5A

Accessibility & contrast

On white

7.38

#A71E1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A71E1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71E1C

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71E1C	#FFFFFF	#000000	##FFFFFF
##A71E1C	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431A

Deuteranopia (green-blind)

#6C6014

Tritanopia (blue-blind)

#B80020

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71e1c;
/* rgb */ color: rgb(167, 30, 28);
/* oklch */ color: oklch(47.3% 0.173 27.5);

Tailwind

colors: {
  custom: {
    50: '#cb6959',
    500: '#a71e1c',
    950: '#000000',
  },
}

SCSS

$custom: #a71e1c;
$custom-light: #cb6959;
$custom-dark: #000000;

JSON

{
  "hex": "#a71e1c",
  "rgb": {
    "r": 167,
    "g": 30,
    "b": 28
  },
  "hsl": {
    "h": 0.863,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47264,
    "c": 0.17262,
    "h": 27.5
  },
  "luminance": 0.09228
}

Semantic roles & 50–950 ramp

primary

#A71E1C

secondary

#58C5C7

accent

#EBEE3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71E1C

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

Preview Lab → · Contrast checker → · Palette generator →