#A71F3D#A71F3D

#A71F3D is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.170 H 15.0°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A71F3D
RGB	rgb(167, 31, 61)
HSL	hsl(347, 69%, 39%)
HSV	hsv(347, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 63.5%, 34.5%)
CIE-LAB	lab(36.99, 54.77, 18.14)
CIE-LCH	lch(36.99, 57.70, 18.32°)
OKLab	oklab(47.84% 0.1642 0.044)
OKLCH	oklch(47.84% 0.17 15)
XYZ	xyz(17.2705, 9.5350, 5.3450)
Luminance	0.0953 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F3D #1FA789

analogous

#A71F81 #A71F3D #A7451F

triadic

#A71F3D #3DA71F #1F3DA7

tetradic

#A71F3D #81A71F #1FA789 #451FA7

square

#A71F3D #81A71F #1FA789 #451FA7

split-complementary

#A71F3D #1FA745 #1F81A7

monochromatic

#400C17 #73152A #A71F3D #D82B51 #E15F7C

Accessibility & contrast

On white

7.23

#A71F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A71F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F3D

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F3D	#FFFFFF	#000000	##FFFFFF
##A71F3D	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453D

Deuteranopia (green-blind)

#6A6139

Tritanopia (blue-blind)

#B7002C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a71f3d;
/* rgb */ color: rgb(167, 31, 61);
/* oklch */ color: oklch(47.8% 0.170 15.0);

Tailwind

colors: {
  custom: {
    50: '#c96a72',
    500: '#a71f3d',
    950: '#000000',
  },
}

SCSS

$custom: #a71f3d;
$custom-light: #c96a72;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f3d",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 61
  },
  "hsl": {
    "h": 346.765,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47838,
    "c": 0.16994,
    "h": 15
  },
  "luminance": 0.09532
}

Semantic roles & 50–950 ramp

primary

#A71F3D

secondary

#5CC6AE

accent

#ECC53C

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A71F3D

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

Preview Lab → · Contrast checker → · Palette generator →