#A91C25#A91C25

#A91C25 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.175 H 24.5°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A91C25
RGB	rgb(169, 28, 37)
HSL	hsl(356, 72%, 39%)
HSV	hsv(356, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 78.1%, 33.7%)
CIE-LAB	lab(36.75, 54.98, 32.88)
CIE-LCH	lch(36.75, 64.07, 30.88°)
OKLab	oklab(47.61% 0.1592 0.0724)
OKLCH	oklch(47.61% 0.175 24.5)
XYZ	xyz(17.1135, 9.4019, 2.6636)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C25 #1CA9A0

analogous

#A91C6B #A91C25 #A9591C

triadic

#A91C25 #25A91C #1C25A9

tetradic

#A91C25 #6BA91C #1CA9A0 #591CA9

square

#A91C25 #6BA91C #1CA9A0 #591CA9

split-complementary

#A91C25 #1CA959 #1C6BA9

monochromatic

#400B0E #74131A #A91C25 #DB2732 #E45B64

Accessibility & contrast

On white

7.29

#A91C25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A91C25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C25

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C25	#FFFFFF	#000000	##FFFFFF
##A91C25	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)

#4A4324

Deuteranopia (green-blind)

#6D611F

Tritanopia (blue-blind)

#BA0021

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a91c25;
/* rgb */ color: rgb(169, 28, 37);
/* oklch */ color: oklch(47.6% 0.175 24.5);

Tailwind

colors: {
  custom: {
    50: '#cc6860',
    500: '#a91c25',
    950: '#000000',
  },
}

SCSS

$custom: #a91c25;
$custom-light: #cc6860;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c25",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 37
  },
  "hsl": {
    "h": 356.17,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47605,
    "c": 0.17485,
    "h": 24.5
  },
  "luminance": 0.09399
}

Semantic roles & 50–950 ramp

primary

#A91C25

secondary

#59C8C1

accent

#EEE339

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150705

muted

#837A79

Preview Lab

Preview with #A91C25

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

Preview Lab → · Contrast checker → · Palette generator →