#A91C27#A91C27

#A91C27 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.175 H 23.8°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A91C27
RGB	rgb(169, 28, 39)
HSL	hsl(355, 72%, 39%)
HSV	hsv(355, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 76.9%, 33.7%)
CIE-LAB	lab(36.77, 55.05, 31.72)
CIE-LCH	lch(36.77, 63.54, 29.95°)
OKLab	oklab(47.63% 0.1599 0.0704)
OKLCH	oklch(47.63% 0.175 23.8)
XYZ	xyz(17.1457, 9.4148, 2.8335)
Luminance	0.0941 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C27 #1CA99E

analogous

#A91C6D #A91C27 #A9571C

triadic

#A91C27 #27A91C #1C27A9

tetradic

#A91C27 #6DA91C #1CA99E #571CA9

square

#A91C27 #6DA91C #1CA99E #571CA9

split-complementary

#A91C27 #1CA957 #1C6DA9

monochromatic

#400B0F #74131B #A91C27 #DB2735 #E45B66

Accessibility & contrast

On white

7.29

#A91C27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A91C27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C27

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C27	#FFFFFF	#000000	##FFFFFF
##A91C27	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4326

Deuteranopia (green-blind)

#6C6121

Tritanopia (blue-blind)

#BA0022

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a91c27;
/* rgb */ color: rgb(169, 28, 39);
/* oklch */ color: oklch(47.6% 0.175 23.8);

Tailwind

colors: {
  custom: {
    50: '#cc6861',
    500: '#a91c27',
    950: '#000000',
  },
}

SCSS

$custom: #a91c27;
$custom-light: #cc6861;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c27",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 39
  },
  "hsl": {
    "h": 355.319,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47631,
    "c": 0.17467,
    "h": 23.8
  },
  "luminance": 0.09412
}

Semantic roles & 50–950 ramp

primary

#A91C27

secondary

#59C8BF

accent

#EEE039

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A91C27

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

Preview Lab → · Contrast checker → · Palette generator →