#A9231C#A9231C

#A9231C is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.171 H 28.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#A9231C
RGB	rgb(169, 35, 28)
HSL	hsl(3, 72%, 39%)
HSV	hsv(3, 83%, 66%)
CMYK	cmyk(0%, 79.3%, 83.4%, 33.7%)
CIE-LAB	lab(37.34, 52.75, 38.58)
CIE-LCH	lch(37.34, 65.36, 36.18°)
OKLab	oklab(48.02% 0.1503 0.0818)
OKLCH	oklch(48.02% 0.171 28.6)
XYZ	xyz(17.1749, 9.7237, 2.0709)
Luminance	0.0972 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9231C #1CA2A9

analogous

#A91C5B #A9231C #A9691C

triadic

#A9231C #1CA923 #231CA9

tetradic

#A9231C #5BA91C #1CA2A9 #691CA9

square

#A9231C #5BA91C #1CA2A9 #691CA9

split-complementary

#A9231C #1CA969 #1C5BA9

monochromatic

#400D0B #741813 #A9231C #DB3027 #E4625B

Accessibility & contrast

On white

7.13

#A9231C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A9231C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A9231C

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9231C	#FFFFFF	#000000	##FFFFFF
##A9231C	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4519

Deuteranopia (green-blind)

#6F6215

Tritanopia (blue-blind)

#BB0023

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a9231c;
/* rgb */ color: rgb(169, 35, 28);
/* oklch */ color: oklch(48.0% 0.171 28.6);

Tailwind

colors: {
  custom: {
    50: '#cc6b5a',
    500: '#a9231c',
    950: '#000000',
  },
}

SCSS

$custom: #a9231c;
$custom-light: #cc6b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a9231c",
  "rgb": {
    "r": 169,
    "g": 35,
    "b": 28
  },
  "hsl": {
    "h": 2.979,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48018,
    "c": 0.17108,
    "h": 28.6
  },
  "luminance": 0.09721
}

Semantic roles & 50–950 ramp

primary

#A9231C

secondary

#59C2C8

accent

#E5EE39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A9231C

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

Preview Lab → · Contrast checker → · Palette generator →