#A91C1E#A91C1E

#A91C1E is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.176 H 26.6°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#A91C1E
RGB	rgb(169, 28, 30)
HSL	hsl(359, 72%, 39%)
HSV	hsv(359, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 82.2%, 33.7%)
CIE-LAB	lab(36.67, 54.75, 36.85)
CIE-LCH	lch(36.67, 66.00, 33.94°)
OKLab	oklab(47.53% 0.1569 0.0787)
OKLCH	oklch(47.53% 0.176 26.6)
XYZ	xyz(17.0139, 9.3621, 2.1393)
Luminance	0.0936 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C1E #1CA9A7

analogous

#A91C64 #A91C1E #A9601C

triadic

#A91C1E #1EA91C #1C1EA9

tetradic

#A91C1E #64A91C #1CA9A7 #601CA9

square

#A91C1E #64A91C #1CA9A7 #601CA9

split-complementary

#A91C1E #1CA960 #1C64A9

monochromatic

#400B0B #741315 #A91C1E #DB272A #E45B5D

Accessibility & contrast

On white

7.31

#A91C1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A91C1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C1E

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C1E	#FFFFFF	#000000	##FFFFFF
##A91C1E	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431C

Deuteranopia (green-blind)

#6D6117

Tritanopia (blue-blind)

#BB001F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a91c1e;
/* rgb */ color: rgb(169, 28, 30);
/* oklch */ color: oklch(47.5% 0.176 26.6);

Tailwind

colors: {
  custom: {
    50: '#cc685b',
    500: '#a91c1e',
    950: '#000000',
  },
}

SCSS

$custom: #a91c1e;
$custom-light: #cc685b;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c1e",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 30
  },
  "hsl": {
    "h": 359.149,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47526,
    "c": 0.17558,
    "h": 26.6
  },
  "luminance": 0.09359
}

Semantic roles & 50–950 ramp

primary

#A91C1E

secondary

#59C8C6

accent

#EEEC39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A91C1E

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

Preview Lab → · Contrast checker → · Palette generator →