#A91C28#A91C28

#A91C28 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.175 H 23.4°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#A91C28
RGB	rgb(169, 28, 40)
HSL	hsl(355, 72%, 39%)
HSV	hsv(355, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 76.3%, 33.7%)
CIE-LAB	lab(36.78, 55.09, 31.13)
CIE-LCH	lch(36.78, 63.28, 29.47°)
OKLab	oklab(47.64% 0.1602 0.0694)
OKLCH	oklch(47.64% 0.175 23.4)
XYZ	xyz(17.1625, 9.4215, 2.9219)
Luminance	0.0942 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C28 #1CA99D

analogous

#A91C6E #A91C28 #A9561C

triadic

#A91C28 #28A91C #1C28A9

tetradic

#A91C28 #6EA91C #1CA99D #561CA9

square

#A91C28 #6EA91C #1CA99D #561CA9

split-complementary

#A91C28 #1CA956 #1C6EA9

monochromatic

#400B0F #74131C #A91C28 #DB2736 #E45B67

Accessibility & contrast

On white

7.28

#A91C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A91C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C28

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C28	#FFFFFF	#000000	##FFFFFF
##A91C28	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4327

Deuteranopia (green-blind)

#6C6122

Tritanopia (blue-blind)

#BA0022

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91c28;
/* rgb */ color: rgb(169, 28, 40);
/* oklch */ color: oklch(47.6% 0.175 23.4);

Tailwind

colors: {
  custom: {
    50: '#cc6862',
    500: '#a91c28',
    950: '#000000',
  },
}

SCSS

$custom: #a91c28;
$custom-light: #cc6862;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c28",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 40
  },
  "hsl": {
    "h": 354.894,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47644,
    "c": 0.17459,
    "h": 23.4
  },
  "luminance": 0.09419
}

Semantic roles & 50–950 ramp

primary

#A91C28

secondary

#59C8BE

accent

#EEDF39

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A91C28

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

Preview Lab → · Contrast checker → · Palette generator →