#A71F23#A71F23

#A71F23 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.171 H 25.6°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#A71F23
RGB	rgb(167, 31, 35)
HSL	hsl(358, 69%, 39%)
HSV	hsv(358, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 79%, 34.5%)
CIE-LAB	lab(36.59, 53.53, 33.77)
CIE-LCH	lch(36.59, 63.30, 32.25°)
OKLab	oklab(47.41% 0.1544 0.0739)
OKLCH	oklch(47.41% 0.171 25.6)
XYZ	xyz(16.7318, 9.3195, 2.5076)
Luminance	0.0932 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F23 #1FA7A3

analogous

#A71F67 #A71F23 #A75F1F

triadic

#A71F23 #23A71F #1F23A7

tetradic

#A71F23 #67A71F #1FA7A3 #5F1FA7

square

#A71F23 #67A71F #1FA7A3 #5F1FA7

split-complementary

#A71F23 #1FA75F #1F67A7

monochromatic

#400C0D #731518 #A71F23 #D82B31 #E15F63

Accessibility & contrast

On white

7.33

#A71F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A71F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F23

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F23	#FFFFFF	#000000	##FFFFFF
##A71F23	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4321

Deuteranopia (green-blind)

#6C601D

Tritanopia (blue-blind)

#B80023

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f23;
/* rgb */ color: rgb(167, 31, 35);
/* oklch */ color: oklch(47.4% 0.171 25.6);

Tailwind

colors: {
  custom: {
    50: '#ca695e',
    500: '#a71f23',
    950: '#000000',
  },
}

SCSS

$custom: #a71f23;
$custom-light: #ca695e;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f23",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 358.235,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47411,
    "c": 0.17117,
    "h": 25.6
  },
  "luminance": 0.09317
}

Semantic roles & 50–950 ramp

primary

#A71F23

secondary

#5CC6C3

accent

#ECE63C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71F23

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

Preview Lab → · Contrast checker → · Palette generator →