#A63A4A#A63A4A

#A63A4A is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.142 H 15.0°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#A63A4A
RGB	rgb(166, 58, 74)
HSL	hsl(351, 48%, 44%)
HSV	hsv(351, 65%, 65%)
CMYK	cmyk(0%, 65.1%, 55.4%, 34.9%)
CIE-LAB	lab(40.62, 45.58, 14.74)
CIE-LCH	lch(40.62, 47.91, 17.92°)
OKLab	oklab(50.59% 0.1371 0.0368)
OKLCH	oklch(50.59% 0.142 15)
XYZ	xyz(18.4766, 11.6299, 7.7491)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63A4A #3AA696

analogous

#A63A80 #A63A4A #A6603A

triadic

#A63A4A #4AA63A #3A4AA6

tetradic

#A63A4A #80A63A #3AA696 #603AA6

square

#A63A4A #80A63A #3AA696 #603AA6

split-complementary

#A63A4A #3AA660 #3A80A6

monochromatic

#4B1A22 #792A36 #A63A4A #C55868 #D58691

Accessibility & contrast

On white

6.31

#A63A4A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A63A4A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63A4A

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63A4A	#FFFFFF	#000000	##FFFFFF
##A63A4A	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524A

Deuteranopia (green-blind)

#706847

Tritanopia (blue-blind)

#B52640

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63a4a;
/* rgb */ color: rgb(166, 58, 74);
/* oklch */ color: oklch(50.6% 0.142 15.0);

Tailwind

colors: {
  custom: {
    50: '#c6767c',
    500: '#a63a4a',
    950: '#000000',
  },
}

SCSS

$custom: #a63a4a;
$custom-light: #c6767c;
$custom-dark: #000000;

JSON

{
  "hex": "#a63a4a",
  "rgb": {
    "r": 166,
    "g": 58,
    "b": 74
  },
  "hsl": {
    "h": 351.111,
    "s": 48.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50587,
    "c": 0.14198,
    "h": 15
  },
  "luminance": 0.11628
}

Semantic roles & 50–950 ramp

primary

#A63A4A

secondary

#7DBFB5

accent

#D8C450

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A63A4A

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

Preview Lab → · Contrast checker → · Palette generator →