#A9231F#A9231F

#A9231F is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.171 H 27.7°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#A9231F
RGB	rgb(169, 35, 31)
HSL	hsl(2, 69%, 39%)
HSV	hsv(2, 82%, 66%)
CMYK	cmyk(0%, 79.3%, 81.7%, 33.7%)
CIE-LAB	lab(37.37, 52.84, 36.98)
CIE-LCH	lch(37.37, 64.49, 34.98°)
OKLab	oklab(48.05% 0.1511 0.0794)
OKLCH	oklch(48.05% 0.171 27.7)
XYZ	xyz(17.2127, 9.7388, 2.2695)
Luminance	0.0974 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9231F #1FA5A9

analogous

#A91F60 #A9231F #A9681F

triadic

#A9231F #1FA923 #231FA9

tetradic

#A9231F #60A91F #1FA5A9 #681FA9

square

#A9231F #60A91F #1FA5A9 #681FA9

split-complementary

#A9231F #1FA968 #1F60A9

monochromatic

#420E0C #751816 #A9231F #D8322D #E26460

Accessibility & contrast

On white

7.13

#A9231F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A9231F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A9231F

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9231F	#FFFFFF	#000000	##FFFFFF
##A9231F	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E451D

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#BB0024

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a9231f;
/* rgb */ color: rgb(169, 35, 31);
/* oklch */ color: oklch(48.0% 0.171 27.7);

Tailwind

colors: {
  custom: {
    50: '#cc6b5c',
    500: '#a9231f',
    950: '#000000',
  },
}

SCSS

$custom: #a9231f;
$custom-light: #cc6b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a9231f",
  "rgb": {
    "r": 169,
    "g": 35,
    "b": 31
  },
  "hsl": {
    "h": 1.739,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48047,
    "c": 0.1707,
    "h": 27.7
  },
  "luminance": 0.09736
}

Semantic roles & 50–950 ramp

primary

#A9231F

secondary

#5DC4C7

accent

#E7EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A9231F

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

Preview Lab → · Contrast checker → · Palette generator →