#A3243D#A3243D

#A3243D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.162 H 15.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#A3243D
RGB	rgb(163, 36, 61)
HSL	hsl(348, 64%, 39%)
HSV	hsv(348, 78%, 64%)
CMYK	cmyk(0%, 77.9%, 62.6%, 36.1%)
CIE-LAB	lab(36.72, 52.13, 17.63)
CIE-LCH	lch(36.72, 55.03, 18.69°)
OKLab	oklab(47.49% 0.1562 0.0429)
OKLCH	oklch(47.49% 0.162 15.4)
XYZ	xyz(16.5792, 9.3877, 5.3530)
Luminance	0.0939 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3243D #24A38A

analogous

#A3247D #A3243D #A34B24

triadic

#A3243D #3DA324 #243DA3

tetradic

#A3243D #7DA324 #24A38A #4B24A3

square

#A3243D #7DA324 #24A38A #4B24A3

split-complementary

#A3243D #24A34B #247DA3

monochromatic

#3F0E17 #71192A #A3243D #D23252 #DD657C

Accessibility & contrast

On white

7.30

#A3243D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A3243D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3243D

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3243D	#FFFFFF	#000000	##FFFFFF
##A3243D	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48463D

Deuteranopia (green-blind)

#68603A

Tritanopia (blue-blind)

#B3002F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a3243d;
/* rgb */ color: rgb(163, 36, 61);
/* oklch */ color: oklch(47.5% 0.162 15.4);

Tailwind

colors: {
  custom: {
    50: '#c56b72',
    500: '#a3243d',
    950: '#000000',
  },
}

SCSS

$custom: #a3243d;
$custom-light: #c56b72;
$custom-dark: #000000;

JSON

{
  "hex": "#a3243d",
  "rgb": {
    "r": 163,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 348.189,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47492,
    "c": 0.16196,
    "h": 15.4
  },
  "luminance": 0.09385
}

Semantic roles & 50–950 ramp

primary

#A3243D

secondary

#60C2AF

accent

#E7C641

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A3243D

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

Preview Lab → · Contrast checker → · Palette generator →