#A3243E#A3243E

#A3243E is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.162 H 14.9°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A3243E
RGB	rgb(163, 36, 62)
HSL	hsl(348, 64%, 39%)
HSV	hsv(348, 78%, 64%)
CMYK	cmyk(0%, 77.9%, 62%, 36.1%)
CIE-LAB	lab(36.74, 52.19, 17.02)
CIE-LCH	lch(36.74, 54.90, 18.06°)
OKLab	oklab(47.51% 0.1566 0.0415)
OKLCH	oklch(47.51% 0.162 14.9)
XYZ	xyz(16.6064, 9.3985, 5.4962)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3243E #24A389

analogous

#A3247E #A3243E #A34A24

triadic

#A3243E #3EA324 #243EA3

tetradic

#A3243E #7EA324 #24A389 #4A24A3

square

#A3243E #7EA324 #24A389 #4A24A3

split-complementary

#A3243E #24A34A #247EA3

monochromatic

#3F0E18 #71192B #A3243E #D23253 #DD657D

Accessibility & contrast

On white

7.29

#A3243E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A3243E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3243E

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3243E	#FFFFFF	#000000	##FFFFFF
##A3243E	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48463E

Deuteranopia (green-blind)

#68603B

Tritanopia (blue-blind)

#B3002F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a3243e;
/* rgb */ color: rgb(163, 36, 62);
/* oklch */ color: oklch(47.5% 0.162 14.9);

Tailwind

colors: {
  custom: {
    50: '#c56b73',
    500: '#a3243e',
    950: '#000000',
  },
}

SCSS

$custom: #a3243e;
$custom-light: #c56b73;
$custom-dark: #000000;

JSON

{
  "hex": "#a3243e",
  "rgb": {
    "r": 163,
    "g": 36,
    "b": 62
  },
  "hsl": {
    "h": 347.717,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47514,
    "c": 0.162,
    "h": 14.9
  },
  "luminance": 0.09396
}

Semantic roles & 50–950 ramp

primary

#A3243E

secondary

#60C2AE

accent

#E7C541

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A3243E

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

Preview Lab → · Contrast checker → · Palette generator →