#A91F23#A91F23

#A91F23 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.173 H 25.7°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#A91F23
RGB	rgb(169, 31, 35)
HSL	hsl(358, 69%, 39%)
HSV	hsv(358, 82%, 66%)
CMYK	cmyk(0%, 81.7%, 79.3%, 33.7%)
CIE-LAB	lab(37.00, 54.12, 34.33)
CIE-LCH	lch(37.00, 64.09, 32.39°)
OKLab	oklab(47.79% 0.156 0.0749)
OKLCH	oklch(47.79% 0.173 25.7)
XYZ	xyz(17.1576, 9.5391, 2.5276)
Luminance	0.0954 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91F23 #1FA9A5

analogous

#A91F68 #A91F23 #A9601F

triadic

#A91F23 #23A91F #1F23A9

tetradic

#A91F23 #68A91F #1FA9A5 #601FA9

square

#A91F23 #68A91F #1FA9A5 #601FA9

split-complementary

#A91F23 #1FA960 #1F68A9

monochromatic

#420C0E #751618 #A91F23 #D82D32 #E26064

Accessibility & contrast

On white

7.22

#A91F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A91F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91F23

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91F23	#FFFFFF	#000000	##FFFFFF
##A91F23	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4421

Deuteranopia (green-blind)

#6D621D

Tritanopia (blue-blind)

#BB0023

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91f23;
/* rgb */ color: rgb(169, 31, 35);
/* oklch */ color: oklch(47.8% 0.173 25.7);

Tailwind

colors: {
  custom: {
    50: '#cc695e',
    500: '#a91f23',
    950: '#000000',
  },
}

SCSS

$custom: #a91f23;
$custom-light: #cc695e;
$custom-dark: #000000;

JSON

{
  "hex": "#a91f23",
  "rgb": {
    "r": 169,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 358.261,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47787,
    "c": 0.17307,
    "h": 25.7
  },
  "luminance": 0.09536
}

Semantic roles & 50–950 ramp

primary

#A91F23

secondary

#5DC7C4

accent

#ECE73C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A91F23

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

Preview Lab → · Contrast checker → · Palette generator →