#A63A55#A63A55

#A63A55 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.143 H 8.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#A63A55
RGB	rgb(166, 58, 85)
HSL	hsl(345, 48%, 44%)
HSV	hsv(345, 65%, 65%)
CMYK	cmyk(0%, 65.1%, 48.8%, 34.9%)
CIE-LAB	lab(40.88, 46.55, 8.22)
CIE-LCH	lch(40.88, 47.27, 10.01°)
OKLab	oklab(50.87% 0.1415 0.0213)
OKLCH	oklch(50.87% 0.143 8.6)
XYZ	xyz(18.8801, 11.7913, 9.8743)
Luminance	0.1179 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63A55 #3AA68B

analogous

#A63A8B #A63A55 #A6553A

triadic

#A63A55 #55A63A #3A55A6

tetradic

#A63A55 #8BA63A #3AA68B #553AA6

square

#A63A55 #8BA63A #3AA68B #553AA6

split-complementary

#A63A55 #3AA655 #3A8BA6

monochromatic

#4B1A27 #792A3E #A63A55 #C55874 #D58699

Accessibility & contrast

On white

6.25

#A63A55 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#A63A55 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63A55

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63A55	#FFFFFF	#000000	##FFFFFF
##A63A55	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525356

Deuteranopia (green-blind)

#6E6852

Tritanopia (blue-blind)

#B52A45

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63a55;
/* rgb */ color: rgb(166, 58, 85);
/* oklch */ color: oklch(50.9% 0.143 8.6);

Tailwind

colors: {
  custom: {
    50: '#c57684',
    500: '#a63a55',
    950: '#000000',
  },
}

SCSS

$custom: #a63a55;
$custom-light: #c57684;
$custom-dark: #000000;

JSON

{
  "hex": "#a63a55",
  "rgb": {
    "r": 166,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 345,
    "s": 48.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50866,
    "c": 0.14311,
    "h": 8.6
  },
  "luminance": 0.11789
}

Semantic roles & 50–950 ramp

primary

#A63A55

secondary

#7DBFAE

accent

#D8B650

background

#FCF7F8

surface

#F9EDEF

border

#D2C8CA

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A63A55

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

Preview Lab → · Contrast checker → · Palette generator →