#A71E3B#A71E3B

#A71E3B is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.171 H 15.7°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A71E3B
RGB	rgb(167, 30, 59)
HSL	hsl(347, 70%, 39%)
HSV	hsv(347, 82%, 65%)
CMYK	cmyk(0%, 82%, 64.7%, 34.5%)
CIE-LAB	lab(36.86, 54.93, 19.24)
CIE-LCH	lch(36.86, 58.20, 19.31°)
OKLab	oklab(47.73% 0.1642 0.0463)
OKLCH	oklch(47.73% 0.171 15.7)
XYZ	xyz(17.1919, 9.4624, 5.0580)
Luminance	0.0946 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71E3B #1EA78A

analogous

#A71E7F #A71E3B #A7451E

triadic

#A71E3B #3BA71E #1E3BA7

tetradic

#A71E3B #7FA71E #1EA78A #451EA7

square

#A71E3B #7FA71E #1EA78A #451EA7

split-complementary

#A71E3B #1EA745 #1E7FA7

monochromatic

#3F0B16 #731529 #A71E3B #D92A4F #E25D79

Accessibility & contrast

On white

7.26

#A71E3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A71E3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71E3B

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71E3B	#FFFFFF	#000000	##FFFFFF
##A71E3B	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453B

Deuteranopia (green-blind)

#6A6137

Tritanopia (blue-blind)

#B7002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a71e3b;
/* rgb */ color: rgb(167, 30, 59);
/* oklch */ color: oklch(47.7% 0.171 15.7);

Tailwind

colors: {
  custom: {
    50: '#c96970',
    500: '#a71e3b',
    950: '#000000',
  },
}

SCSS

$custom: #a71e3b;
$custom-light: #c96970;
$custom-dark: #000000;

JSON

{
  "hex": "#a71e3b",
  "rgb": {
    "r": 167,
    "g": 30,
    "b": 59
  },
  "hsl": {
    "h": 347.299,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47726,
    "c": 0.17063,
    "h": 15.7
  },
  "luminance": 0.0946
}

Semantic roles & 50–950 ramp

primary

#A71E3B

secondary

#5BC6AF

accent

#ECC73B

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A71E3B

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

Preview Lab → · Contrast checker → · Palette generator →