#A91F28#A91F28

#A91F28 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.173 H 24.0°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#A91F28
RGB	rgb(169, 31, 40)
HSL	hsl(356, 69%, 39%)
HSV	hsv(356, 82%, 66%)
CMYK	cmyk(0%, 81.7%, 76.3%, 33.7%)
CIE-LAB	lab(37.06, 54.31, 31.44)
CIE-LCH	lch(37.06, 62.75, 30.07°)
OKLab	oklab(47.85% 0.1577 0.0701)
OKLCH	oklch(47.85% 0.173 24)
XYZ	xyz(17.2372, 9.5710, 2.9469)
Luminance	0.0957 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91F28 #1FA9A0

analogous

#A91F6D #A91F28 #A95B1F

triadic

#A91F28 #28A91F #1F28A9

tetradic

#A91F28 #6DA91F #1FA9A0 #5B1FA9

square

#A91F28 #6DA91F #1FA9A0 #5B1FA9

split-complementary

#A91F28 #1FA95B #1F6DA9

monochromatic

#420C10 #75161C #A91F28 #D82D38 #E26069

Accessibility & contrast

On white

7.21

#A91F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A91F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91F28

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91F28	#FFFFFF	#000000	##FFFFFF
##A91F28	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4427

Deuteranopia (green-blind)

#6D6223

Tritanopia (blue-blind)

#BA0024

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91f28;
/* rgb */ color: rgb(169, 31, 40);
/* oklch */ color: oklch(47.9% 0.173 24.0);

Tailwind

colors: {
  custom: {
    50: '#cc6962',
    500: '#a91f28',
    950: '#000000',
  },
}

SCSS

$custom: #a91f28;
$custom-light: #cc6962;
$custom-dark: #000000;

JSON

{
  "hex": "#a91f28",
  "rgb": {
    "r": 169,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 356.087,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.4785,
    "c": 0.17256,
    "h": 24
  },
  "luminance": 0.09568
}

Semantic roles & 50–950 ramp

primary

#A91F28

secondary

#5DC7C0

accent

#ECE03C

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A91F28

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

Preview Lab → · Contrast checker → · Palette generator →