#A9243A#A9243A

#A9243A is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.5% C 0.168 H 17.6°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#A9243A
RGB	rgb(169, 36, 58)
HSL	hsl(350, 65%, 40%)
HSV	hsv(350, 79%, 66%)
CMYK	cmyk(0%, 78.7%, 65.7%, 33.7%)
CIE-LAB	lab(37.85, 53.72, 21.24)
CIE-LCH	lch(37.85, 57.77, 21.57°)
OKLab	oklab(48.52% 0.1599 0.0507)
OKLCH	oklch(48.52% 0.168 17.6)
XYZ	xyz(17.7587, 10.0050, 4.9982)
Luminance	0.1000 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9243A #24A993

analogous

#A9247D #A9243A #A95024

triadic

#A9243A #3AA924 #243AA9

tetradic

#A9243A #7DA924 #24A993 #5024A9

square

#A9243A #7DA924 #24A993 #5024A9

split-complementary

#A9243A #24A950 #247DA9

monochromatic

#440F17 #771929 #A9243A #D43650 #DF687C

Accessibility & contrast

On white

7.00

#A9243A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#A9243A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A9243A

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9243A	#FFFFFF	#000000	##FFFFFF
##A9243A	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B473A

Deuteranopia (green-blind)

#6C6336

Tritanopia (blue-blind)

#BA002E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a9243a;
/* rgb */ color: rgb(169, 36, 58);
/* oklch */ color: oklch(48.5% 0.168 17.6);

Tailwind

colors: {
  custom: {
    50: '#ca6c70',
    500: '#a9243a',
    950: '#000000',
  },
}

SCSS

$custom: #a9243a;
$custom-light: #ca6c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a9243a",
  "rgb": {
    "r": 169,
    "g": 36,
    "b": 58
  },
  "hsl": {
    "h": 350.075,
    "s": 64.878,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48524,
    "c": 0.16772,
    "h": 17.6
  },
  "luminance": 0.10002
}

Semantic roles & 50–950 ramp

primary

#A9243A

secondary

#64C5B5

accent

#E8CC40

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150807

muted

#837A7A

Preview Lab

Preview with #A9243A

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

Preview Lab → · Contrast checker → · Palette generator →