#A71F2F#A71F2F

#A71F2F is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.170 H 21.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A71F2F
RGB	rgb(167, 31, 47)
HSL	hsl(353, 69%, 39%)
HSV	hsv(353, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 71.9%, 34.5%)
CIE-LAB	lab(36.75, 54.02, 26.69)
CIE-LCH	lch(36.75, 60.25, 26.29°)
OKLab	oklab(47.58% 0.1587 0.0614)
OKLCH	oklch(47.58% 0.17 21.1)
XYZ	xyz(16.9414, 9.4034, 3.6118)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F2F #1FA797

analogous

#A71F73 #A71F2F #A7531F

triadic

#A71F2F #2FA71F #1F2FA7

tetradic

#A71F2F #73A71F #1FA797 #531FA7

square

#A71F2F #73A71F #1FA797 #531FA7

split-complementary

#A71F2F #1FA753 #1F73A7

monochromatic

#400C12 #731520 #A71F2F #D82B40 #E15F6E

Accessibility & contrast

On white

7.29

#A71F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A71F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F2F

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F2F	#FFFFFF	#000000	##FFFFFF
##A71F2F	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49442E

Deuteranopia (green-blind)

#6B612A

Tritanopia (blue-blind)

#B80027

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f2f;
/* rgb */ color: rgb(167, 31, 47);
/* oklch */ color: oklch(47.6% 0.170 21.1);

Tailwind

colors: {
  custom: {
    50: '#ca6967',
    500: '#a71f2f',
    950: '#000000',
  },
}

SCSS

$custom: #a71f2f;
$custom-light: #ca6967;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f2f",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 352.941,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47578,
    "c": 0.17011,
    "h": 21.1
  },
  "luminance": 0.09401
}

Semantic roles & 50–950 ramp

primary

#A71F2F

secondary

#5CC6B9

accent

#ECD73C

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A71F2F

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

Preview Lab → · Contrast checker → · Palette generator →