#A63A4C#A63A4C

#A63A4C is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.6% C 0.142 H 13.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#A63A4C
RGB	rgb(166, 58, 76)
HSL	hsl(350, 48%, 44%)
HSV	hsv(350, 65%, 65%)
CMYK	cmyk(0%, 65.1%, 54.2%, 34.9%)
CIE-LAB	lab(40.67, 45.75, 13.55)
CIE-LCH	lch(40.67, 47.72, 16.50°)
OKLab	oklab(50.63% 0.1379 0.0341)
OKLCH	oklch(50.63% 0.142 13.9)
XYZ	xyz(18.5450, 11.6573, 8.1096)
Luminance	0.1166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63A4C #3AA694

analogous

#A63A82 #A63A4C #A65E3A

triadic

#A63A4C #4CA63A #3A4CA6

tetradic

#A63A4C #82A63A #3AA694 #5E3AA6

square

#A63A4C #82A63A #3AA694 #5E3AA6

split-complementary

#A63A4C #3AA65E #3A82A6

monochromatic

#4B1A22 #792A37 #A63A4C #C5586A #D58693

Accessibility & contrast

On white

6.30

#A63A4C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A63A4C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63A4C

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63A4C	#FFFFFF	#000000	##FFFFFF
##A63A4C	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524C

Deuteranopia (green-blind)

#6F6849

Tritanopia (blue-blind)

#B52741

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63a4c;
/* rgb */ color: rgb(166, 58, 76);
/* oklch */ color: oklch(50.6% 0.142 13.9);

Tailwind

colors: {
  custom: {
    50: '#c6767d',
    500: '#a63a4c',
    950: '#000000',
  },
}

SCSS

$custom: #a63a4c;
$custom-light: #c6767d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63a4c",
  "rgb": {
    "r": 166,
    "g": 58,
    "b": 76
  },
  "hsl": {
    "h": 350,
    "s": 48.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50634,
    "c": 0.14208,
    "h": 13.9
  },
  "luminance": 0.11655
}

Semantic roles & 50–950 ramp

primary

#A63A4C

secondary

#7DBFB4

accent

#D8C150

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A63A4C

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

Preview Lab → · Contrast checker → · Palette generator →