#A71F31#A71F31

#A71F31 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.170 H 20.3°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#A71F31
RGB	rgb(167, 31, 49)
HSL	hsl(352, 69%, 39%)
HSV	hsv(352, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 70.7%, 34.5%)
CIE-LAB	lab(36.78, 54.12, 25.48)
CIE-LCH	lch(36.78, 59.81, 25.21°)
OKLab	oklab(47.61% 0.1594 0.059)
OKLCH	oklch(47.61% 0.17 20.3)
XYZ	xyz(16.9827, 9.4199, 3.8291)
Luminance	0.0942 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F31 #1FA795

analogous

#A71F75 #A71F31 #A7511F

triadic

#A71F31 #31A71F #1F31A7

tetradic

#A71F31 #75A71F #1FA795 #511FA7

square

#A71F31 #75A71F #1FA795 #511FA7

split-complementary

#A71F31 #1FA751 #1F75A7

monochromatic

#400C13 #731522 #A71F31 #D82B42 #E15F70

Accessibility & contrast

On white

7.28

#A71F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A71F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F31

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F31	#FFFFFF	#000000	##FFFFFF
##A71F31	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494431

Deuteranopia (green-blind)

#6B612D

Tritanopia (blue-blind)

#B80027

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f31;
/* rgb */ color: rgb(167, 31, 49);
/* oklch */ color: oklch(47.6% 0.170 20.3);

Tailwind

colors: {
  custom: {
    50: '#c96969',
    500: '#a71f31',
    950: '#000000',
  },
}

SCSS

$custom: #a71f31;
$custom-light: #c96969;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f31",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 49
  },
  "hsl": {
    "h": 352.059,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4761,
    "c": 0.17,
    "h": 20.3
  },
  "luminance": 0.09417
}

Semantic roles & 50–950 ramp

primary

#A71F31

secondary

#5CC6B8

accent

#ECD43C

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A71F31

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

Preview Lab → · Contrast checker → · Palette generator →