#A8243A#A8243A

#A8243A is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.3% C 0.167 H 17.5°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#A8243A
RGB	rgb(168, 36, 58)
HSL	hsl(350, 65%, 40%)
HSV	hsv(350, 79%, 66%)
CMYK	cmyk(0%, 78.6%, 65.5%, 34.1%)
CIE-LAB	lab(37.65, 53.43, 20.94)
CIE-LCH	lch(37.65, 57.39, 21.40°)
OKLab	oklab(48.34% 0.1591 0.0501)
OKLCH	oklch(48.34% 0.167 17.5)
XYZ	xyz(17.5449, 9.8947, 4.9882)
Luminance	0.0989 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8243A #24A892

analogous

#A8247C #A8243A #A85024

triadic

#A8243A #3AA824 #243AA8

tetradic

#A8243A #7CA824 #24A892 #5024A8

square

#A8243A #7CA824 #24A892 #5024A8

split-complementary

#A8243A #24A850 #247CA8

monochromatic

#430E17 #761929 #A8243A #D43550 #DF687C

Accessibility & contrast

On white

7.05

#A8243A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#A8243A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A8243A

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8243A	#FFFFFF	#000000	##FFFFFF
##A8243A	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B473A

Deuteranopia (green-blind)

#6C6336

Tritanopia (blue-blind)

#B9002E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a8243a;
/* rgb */ color: rgb(168, 36, 58);
/* oklch */ color: oklch(48.3% 0.167 17.5);

Tailwind

colors: {
  custom: {
    50: '#c96c70',
    500: '#a8243a',
    950: '#000000',
  },
}

SCSS

$custom: #a8243a;
$custom-light: #c96c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a8243a",
  "rgb": {
    "r": 168,
    "g": 36,
    "b": 58
  },
  "hsl": {
    "h": 350,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.48342,
    "c": 0.16676,
    "h": 17.5
  },
  "luminance": 0.09892
}

Semantic roles & 50–950 ramp

primary

#A8243A

secondary

#63C4B4

accent

#E8CC40

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A8243A

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

Preview Lab → · Contrast checker → · Palette generator →