#A91C2D#A91C2D

#A91C2D is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.174 H 21.6°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A91C2D
RGB	rgb(169, 28, 45)
HSL	hsl(353, 72%, 39%)
HSV	hsv(353, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 73.4%, 33.7%)
CIE-LAB	lab(36.85, 55.30, 28.15)
CIE-LCH	lch(36.85, 62.05, 26.98°)
OKLab	oklab(47.72% 0.162 0.0641)
OKLCH	oklch(47.72% 0.174 21.6)
XYZ	xyz(17.2531, 9.4578, 3.3992)
Luminance	0.0945 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C2D #1CA998

analogous

#A91C73 #A91C2D #A9511C

triadic

#A91C2D #2DA91C #1C2DA9

tetradic

#A91C2D #73A91C #1CA998 #511CA9

square

#A91C2D #73A91C #1CA998 #511CA9

split-complementary

#A91C2D #1CA951 #1C73A9

monochromatic

#400B11 #74131F #A91C2D #DB273D #E45B6C

Accessibility & contrast

On white

7.26

#A91C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A91C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C2D

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C2D	#FFFFFF	#000000	##FFFFFF
##A91C2D	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49442C

Deuteranopia (green-blind)

#6C6128

Tritanopia (blue-blind)

#BA0024

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91c2d;
/* rgb */ color: rgb(169, 28, 45);
/* oklch */ color: oklch(47.7% 0.174 21.6);

Tailwind

colors: {
  custom: {
    50: '#cb6966',
    500: '#a91c2d',
    950: '#000000',
  },
}

SCSS

$custom: #a91c2d;
$custom-light: #cb6966;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c2d",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 45
  },
  "hsl": {
    "h": 352.766,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47716,
    "c": 0.17421,
    "h": 21.6
  },
  "luminance": 0.09455
}

Semantic roles & 50–950 ramp

primary

#A91C2D

secondary

#59C8BA

accent

#EED939

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A91C2D

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

Preview Lab → · Contrast checker → · Palette generator →