#A71F3F#A71F3F

#A71F3F is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.170 H 14.0°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#A71F3F
RGB	rgb(167, 31, 63)
HSL	hsl(346, 69%, 39%)
HSV	hsv(346, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 62.3%, 34.5%)
CIE-LAB	lab(37.04, 54.90, 16.91)
CIE-LCH	lch(37.04, 57.44, 17.12°)
OKLab	oklab(47.88% 0.165 0.0413)
OKLCH	oklch(47.88% 0.17 14)
XYZ	xyz(17.3254, 9.5570, 5.6341)
Luminance	0.0955 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F3F #1FA787

analogous

#A71F83 #A71F3F #A7431F

triadic

#A71F3F #3FA71F #1F3FA7

tetradic

#A71F3F #83A71F #1FA787 #431FA7

square

#A71F3F #83A71F #1FA787 #431FA7

split-complementary

#A71F3F #1FA743 #1F83A7

monochromatic

#400C18 #73152C #A71F3F #D82B54 #E15F7E

Accessibility & contrast

On white

7.21

#A71F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A71F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F3F

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F3F	#FFFFFF	#000000	##FFFFFF
##A71F3F	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453F

Deuteranopia (green-blind)

#69613B

Tritanopia (blue-blind)

#B7002D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a71f3f;
/* rgb */ color: rgb(167, 31, 63);
/* oklch */ color: oklch(47.9% 0.170 14.0);

Tailwind

colors: {
  custom: {
    50: '#c86a73',
    500: '#a71f3f',
    950: '#000000',
  },
}

SCSS

$custom: #a71f3f;
$custom-light: #c86a73;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f3f",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 63
  },
  "hsl": {
    "h": 345.882,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47881,
    "c": 0.17004,
    "h": 14
  },
  "luminance": 0.09554
}

Semantic roles & 50–950 ramp

primary

#A71F3F

secondary

#5CC6AD

accent

#ECC23C

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A71F3F

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

Preview Lab → · Contrast checker → · Palette generator →