#A91E1C#A91E1C

#A91E1C is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.175 H 27.6°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#A91E1C
RGB	rgb(169, 30, 28)
HSL	hsl(1, 72%, 39%)
HSV	hsv(1, 83%, 66%)
CMYK	cmyk(0%, 82.2%, 83.4%, 33.7%)
CIE-LAB	lab(36.84, 54.18, 38.11)
CIE-LCH	lch(36.84, 66.24, 35.12°)
OKLab	oklab(47.64% 0.1547 0.0807)
OKLCH	oklch(47.64% 0.175 27.6)
XYZ	xyz(17.0382, 9.4502, 2.0253)
Luminance	0.0945 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91E1C #1CA7A9

analogous

#A91C60 #A91E1C #A9641C

triadic

#A91E1C #1CA91E #1E1CA9

tetradic

#A91E1C #60A91C #1CA7A9 #641CA9

square

#A91E1C #60A91C #1CA7A9 #641CA9

split-complementary

#A91E1C #1CA964 #1C60A9

monochromatic

#400B0B #741513 #A91E1C #DB2A27 #E45D5B

Accessibility & contrast

On white

7.27

#A91E1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A91E1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91E1C

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91E1C	#FFFFFF	#000000	##FFFFFF
##A91E1C	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C431A

Deuteranopia (green-blind)

#6D6114

Tritanopia (blue-blind)

#BB0020

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91e1c;
/* rgb */ color: rgb(169, 30, 28);
/* oklch */ color: oklch(47.6% 0.175 27.6);

Tailwind

colors: {
  custom: {
    50: '#cc695a',
    500: '#a91e1c',
    950: '#000000',
  },
}

SCSS

$custom: #a91e1c;
$custom-light: #cc695a;
$custom-dark: #000000;

JSON

{
  "hex": "#a91e1c",
  "rgb": {
    "r": 169,
    "g": 30,
    "b": 28
  },
  "hsl": {
    "h": 0.851,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47643,
    "c": 0.17452,
    "h": 27.6
  },
  "luminance": 0.09447
}

Semantic roles & 50–950 ramp

primary

#A91E1C

secondary

#59C6C8

accent

#ECEE39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A91E1C

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

Preview Lab → · Contrast checker → · Palette generator →