#A63D4C#A63D4C

#A63D4C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.0% C 0.138 H 15.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#A63D4C
RGB	rgb(166, 61, 76)
HSL	hsl(351, 46%, 45%)
HSV	hsv(351, 63%, 65%)
CMYK	cmyk(0%, 63.3%, 54.2%, 34.9%)
CIE-LAB	lab(41.17, 44.40, 14.24)
CIE-LCH	lch(41.17, 46.63, 17.78°)
OKLab	oklab(51.01% 0.1337 0.0357)
OKLCH	oklch(51.01% 0.138 15)
XYZ	xyz(18.7007, 11.9687, 8.1615)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D4C #3DA697

analogous

#A63D80 #A63D4C #A6633D

triadic

#A63D4C #4CA63D #3D4CA6

tetradic

#A63D4C #80A63D #3DA697 #633DA6

square

#A63D4C #80A63D #3DA697 #633DA6

split-complementary

#A63D4C #3DA663 #3D80A6

monochromatic

#4C1C23 #792D38 #A63D4C #C35D6B #D48A94

Accessibility & contrast

On white

6.19

#A63D4C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#A63D4C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D4C

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D4C	#FFFFFF	#000000	##FFFFFF
##A63D4C	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56534C

Deuteranopia (green-blind)

#716949

Tritanopia (blue-blind)

#B52B43

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63d4c;
/* rgb */ color: rgb(166, 61, 76);
/* oklch */ color: oklch(51.0% 0.138 15.0);

Tailwind

colors: {
  custom: {
    50: '#c6787d',
    500: '#a63d4c',
    950: '#000000',
  },
}

SCSS

$custom: #a63d4c;
$custom-light: #c6787d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d4c",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 76
  },
  "hsl": {
    "h": 351.429,
    "s": 46.256,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51008,
    "c": 0.13834,
    "h": 15
  },
  "luminance": 0.11966
}

Semantic roles & 50–950 ramp

primary

#A63D4C

secondary

#80BEB6

accent

#D6C352

background

#FCF7F7

surface

#F9EEEE

border

#D2C9C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A63D4C

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

Preview Lab → · Contrast checker → · Palette generator →