#A3243C#A3243C

#A3243C is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.162 H 15.8°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#A3243C
RGB	rgb(163, 36, 60)
HSL	hsl(349, 64%, 39%)
HSV	hsv(349, 78%, 64%)
CMYK	cmyk(0%, 77.9%, 63.2%, 36.1%)
CIE-LAB	lab(36.70, 52.06, 18.24)
CIE-LCH	lch(36.70, 55.17, 19.31°)
OKLab	oklab(47.47% 0.1558 0.0442)
OKLCH	oklch(47.47% 0.162 15.8)
XYZ	xyz(16.5525, 9.3770, 5.2125)
Luminance	0.0938 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3243C #24A38B

analogous

#A3247C #A3243C #A34B24

triadic

#A3243C #3CA324 #243CA3

tetradic

#A3243C #7CA324 #24A38B #4B24A3

square

#A3243C #7CA324 #24A38B #4B24A3

split-complementary

#A3243C #24A34B #247CA3

monochromatic

#3F0E17 #71192A #A3243C #D23251 #DD657B

Accessibility & contrast

On white

7.30

#A3243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A3243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3243C

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3243C	#FFFFFF	#000000	##FFFFFF
##A3243C	1.00	7.30	2.87	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48453C

Deuteranopia (green-blind)

#686038

Tritanopia (blue-blind)

#B3002E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a3243c;
/* rgb */ color: rgb(163, 36, 60);
/* oklch */ color: oklch(47.5% 0.162 15.8);

Tailwind

colors: {
  custom: {
    50: '#c56b71',
    500: '#a3243c',
    950: '#000000',
  },
}

SCSS

$custom: #a3243c;
$custom-light: #c56b71;
$custom-dark: #000000;

JSON

{
  "hex": "#a3243c",
  "rgb": {
    "r": 163,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 348.661,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47471,
    "c": 0.16193,
    "h": 15.8
  },
  "luminance": 0.09375
}

Semantic roles & 50–950 ramp

primary

#A3243C

secondary

#60C2B0

accent

#E7C741

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A3243C

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

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