#A9243B#A9243B

#A9243B is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.5% C 0.168 H 17.1°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#A9243B
RGB	rgb(169, 36, 59)
HSL	hsl(350, 65%, 40%)
HSV	hsv(350, 79%, 66%)
CMYK	cmyk(0%, 78.7%, 65.1%, 33.7%)
CIE-LAB	lab(37.87, 53.78, 20.63)
CIE-LCH	lch(37.87, 57.60, 20.98°)
OKLab	oklab(48.54% 0.1603 0.0494)
OKLCH	oklch(48.54% 0.168 17.1)
XYZ	xyz(17.7844, 10.0152, 5.1335)
Luminance	0.1001 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9243B #24A992

analogous

#A9247D #A9243B #A94F24

triadic

#A9243B #3BA924 #243BA9

tetradic

#A9243B #7DA924 #24A992 #4F24A9

square

#A9243B #7DA924 #24A992 #4F24A9

split-complementary

#A9243B #24A94F #247DA9

monochromatic

#440F18 #771929 #A9243B #D43651 #DF687D

Accessibility & contrast

On white

6.99

#A9243B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#A9243B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A9243B

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9243B	#FFFFFF	#000000	##FFFFFF
##A9243B	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B473B

Deuteranopia (green-blind)

#6C6337

Tritanopia (blue-blind)

#BA002E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a9243b;
/* rgb */ color: rgb(169, 36, 59);
/* oklch */ color: oklch(48.5% 0.168 17.1);

Tailwind

colors: {
  custom: {
    50: '#ca6c70',
    500: '#a9243b',
    950: '#000000',
  },
}

SCSS

$custom: #a9243b;
$custom-light: #ca6c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a9243b",
  "rgb": {
    "r": 169,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 349.624,
    "s": 64.878,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48544,
    "c": 0.16772,
    "h": 17.1
  },
  "luminance": 0.10013
}

Semantic roles & 50–950 ramp

primary

#A9243B

secondary

#64C5B4

accent

#E8CB40

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150807

muted

#837A7A

Preview Lab

Preview with #A9243B

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

Preview Lab → · Contrast checker → · Palette generator →