#A71E21#A71E21

#A71E21 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.172 H 26.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#A71E21
RGB	rgb(167, 30, 33)
HSL	hsl(359, 70%, 39%)
HSV	hsv(359, 82%, 65%)
CMYK	cmyk(0%, 82%, 80.2%, 34.5%)
CIE-LAB	lab(36.47, 53.74, 34.81)
CIE-LCH	lch(36.47, 64.03, 32.93°)
OKLab	oklab(47.32% 0.1546 0.0755)
OKLCH	oklch(47.32% 0.172 26)
XYZ	xyz(16.6772, 9.2566, 2.3471)
Luminance	0.0925 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71E21 #1EA7A4

analogous

#A71E65 #A71E21 #A75F1E

triadic

#A71E21 #21A71E #1E21A7

tetradic

#A71E21 #65A71E #1EA7A4 #5F1EA7

square

#A71E21 #65A71E #1EA7A4 #5F1EA7

split-complementary

#A71E21 #1EA75F #1E65A7

monochromatic

#3F0B0C #731517 #A71E21 #D92A2D #E25D60

Accessibility & contrast

On white

7.37

#A71E21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A71E21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71E21

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71E21	#FFFFFF	#000000	##FFFFFF
##A71E21	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A431F

Deuteranopia (green-blind)

#6C601B

Tritanopia (blue-blind)

#B80021

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71e21;
/* rgb */ color: rgb(167, 30, 33);
/* oklch */ color: oklch(47.3% 0.172 26.0);

Tailwind

colors: {
  custom: {
    50: '#cb695d',
    500: '#a71e21',
    950: '#000000',
  },
}

SCSS

$custom: #a71e21;
$custom-light: #cb695d;
$custom-dark: #000000;

JSON

{
  "hex": "#a71e21",
  "rgb": {
    "r": 167,
    "g": 30,
    "b": 33
  },
  "hsl": {
    "h": 358.686,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47316,
    "c": 0.17206,
    "h": 26
  },
  "luminance": 0.09254
}

Semantic roles & 50–950 ramp

primary

#A71E21

secondary

#5BC6C4

accent

#ECE83B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71E21

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

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