#A71F3A#A71F3A

#A71F3A is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.170 H 16.4°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A71F3A
RGB	rgb(167, 31, 58)
HSL	hsl(348, 69%, 39%)
HSV	hsv(348, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 65.3%, 34.5%)
CIE-LAB	lab(36.94, 54.60, 19.98)
CIE-LCH	lch(36.94, 58.14, 20.10°)
OKLab	oklab(47.78% 0.163 0.0479)
OKLCH	oklch(47.78% 0.17 16.4)
XYZ	xyz(17.1919, 9.5036, 4.9313)
Luminance	0.0950 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F3A #1FA78C

analogous

#A71F7E #A71F3A #A7481F

triadic

#A71F3A #3AA71F #1F3AA7

tetradic

#A71F3A #7EA71F #1FA78C #481FA7

square

#A71F3A #7EA71F #1FA78C #481FA7

split-complementary

#A71F3A #1FA748 #1F7EA7

monochromatic

#400C16 #731528 #A71F3A #D82B4E #E15F79

Accessibility & contrast

On white

7.24

#A71F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A71F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F3A

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F3A	#FFFFFF	#000000	##FFFFFF
##A71F3A	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48453A

Deuteranopia (green-blind)

#6A6136

Tritanopia (blue-blind)

#B8002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a71f3a;
/* rgb */ color: rgb(167, 31, 58);
/* oklch */ color: oklch(47.8% 0.170 16.4);

Tailwind

colors: {
  custom: {
    50: '#c96a6f',
    500: '#a71f3a',
    950: '#000000',
  },
}

SCSS

$custom: #a71f3a;
$custom-light: #c96a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f3a",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 58
  },
  "hsl": {
    "h": 348.088,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47776,
    "c": 0.16985,
    "h": 16.4
  },
  "luminance": 0.09501
}

Semantic roles & 50–950 ramp

primary

#A71F3A

secondary

#5CC6B1

accent

#ECC93C

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A71F3A

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

Preview Lab → · Contrast checker → · Palette generator →