#A71F40#A71F40

#A71F40 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.170 H 13.6°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#A71F40
RGB	rgb(167, 31, 64)
HSL	hsl(345, 69%, 39%)
HSV	hsv(345, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 61.7%, 34.5%)
CIE-LAB	lab(37.06, 54.96, 16.30)
CIE-LCH	lch(37.06, 57.33, 16.52°)
OKLab	oklab(47.9% 0.1654 0.0399)
OKLCH	oklch(47.9% 0.17 13.6)
XYZ	xyz(17.3536, 9.5683, 5.7826)
Luminance	0.0957 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F40 #1FA786

analogous

#A71F84 #A71F40 #A7421F

triadic

#A71F40 #40A71F #1F40A7

tetradic

#A71F40 #84A71F #1FA786 #421FA7

square

#A71F40 #84A71F #1FA786 #421FA7

split-complementary

#A71F40 #1FA742 #1F84A7

monochromatic

#400C18 #73152C #A71F40 #D82B55 #E15F7F

Accessibility & contrast

On white

7.21

#A71F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A71F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F40

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F40	#FFFFFF	#000000	##FFFFFF
##A71F40	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)

#474540

Deuteranopia (green-blind)

#69613C

Tritanopia (blue-blind)

#B7002E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a71f40;
/* rgb */ color: rgb(167, 31, 64);
/* oklch */ color: oklch(47.9% 0.170 13.6);

Tailwind

colors: {
  custom: {
    50: '#c86a74',
    500: '#a71f40',
    950: '#000000',
  },
}

SCSS

$custom: #a71f40;
$custom-light: #c86a74;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f40",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 64
  },
  "hsl": {
    "h": 345.441,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47903,
    "c": 0.17011,
    "h": 13.6
  },
  "luminance": 0.09566
}

Semantic roles & 50–950 ramp

primary

#A71F40

secondary

#5CC6AC

accent

#ECC13C

background

#FDF6F7

surface

#FAECED

border

#D3C7C8

text

#140708

muted

#837A7B

Preview Lab

Preview with #A71F40

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

Preview Lab → · Contrast checker → · Palette generator →