#A0243F#A0243F

#A0243F is a mid, vivid red. Relative luminance 0.091; OKLCH L 47.0% C 0.159 H 13.9°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#A0243F
RGB	rgb(160, 36, 63)
HSL	hsl(347, 63%, 38%)
HSV	hsv(347, 78%, 63%)
CMYK	cmyk(0%, 77.5%, 60.6%, 37.3%)
CIE-LAB	lab(36.17, 51.36, 15.51)
CIE-LCH	lch(36.17, 53.65, 16.80°)
OKLab	oklab(46.99% 0.1545 0.0382)
OKLCH	oklch(46.99% 0.159 13.9)
XYZ	xyz(16.0269, 9.0966, 5.6136)
Luminance	0.0909 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0243F #24A085

analogous

#A0247D #A0243F #A04724

triadic

#A0243F #3FA024 #243FA0

tetradic

#A0243F #7DA024 #24A085 #4724A0

square

#A0243F #7DA024 #24A085 #4724A0

split-complementary

#A0243F #24A047 #247DA0

monochromatic

#3C0E18 #6E192B #A0243F #D13153 #DC637D

Accessibility & contrast

On white

7.45

#A0243F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#A0243F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0243F

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0243F	#FFFFFF	#000000	##FFFFFF
##A0243F	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46453F

Deuteranopia (green-blind)

#665E3C

Tritanopia (blue-blind)

#AF002F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a0243f;
/* rgb */ color: rgb(160, 36, 63);
/* oklch */ color: oklch(47.0% 0.159 13.9);

Tailwind

colors: {
  custom: {
    50: '#c36b73',
    500: '#a0243f',
    950: '#000000',
  },
}

SCSS

$custom: #a0243f;
$custom-light: #c36b73;
$custom-dark: #000000;

JSON

{
  "hex": "#a0243f",
  "rgb": {
    "r": 160,
    "g": 36,
    "b": 63
  },
  "hsl": {
    "h": 346.935,
    "s": 63.265,
    "l": 38.431
  },
  "oklch": {
    "l": 0.46992,
    "c": 0.15914,
    "h": 13.9
  },
  "luminance": 0.09094
}

Semantic roles & 50–950 ramp

primary

#A0243F

secondary

#5FC1AC

accent

#E6C241

background

#FCF6F6

surface

#F9ECEC

border

#D2C7C7

text

#140708

muted

#827A7B

Preview Lab

Preview with #A0243F

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

Preview Lab → · Contrast checker → · Palette generator →