#A63E4B#A63E4B

#A63E4B is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.1% C 0.137 H 15.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#A63E4B
RGB	rgb(166, 62, 75)
HSL	hsl(353, 46%, 45%)
HSV	hsv(353, 63%, 65%)
CMYK	cmyk(0%, 62.7%, 54.8%, 34.9%)
CIE-LAB	lab(41.32, 43.86, 15.06)
CIE-LCH	lch(41.32, 46.38, 18.95°)
OKLab	oklab(51.11% 0.1318 0.0376)
OKLCH	oklch(51.11% 0.137 15.9)
XYZ	xyz(18.7201, 12.0626, 7.9978)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E4B #3EA699

analogous

#A63E7F #A63E4B #A6653E

triadic

#A63E4B #4BA63E #3E4BA6

tetradic

#A63E4B #7FA63E #3EA699 #653EA6

square

#A63E4B #7FA63E #3EA699 #653EA6

split-complementary

#A63E4B #3EA665 #3E7FA6

monochromatic

#4D1D23 #792D37 #A63E4B #C35E6B #D48B94

Accessibility & contrast

On white

6.15

#A63E4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#A63E4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E4B

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E4B	#FFFFFF	#000000	##FFFFFF
##A63E4B	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57544B

Deuteranopia (green-blind)

#716949

Tritanopia (blue-blind)

#B52C43

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63e4b;
/* rgb */ color: rgb(166, 62, 75);
/* oklch */ color: oklch(51.1% 0.137 15.9);

Tailwind

colors: {
  custom: {
    50: '#c6787d',
    500: '#a63e4b',
    950: '#000000',
  },
}

SCSS

$custom: #a63e4b;
$custom-light: #c6787d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e4b",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 352.5,
    "s": 45.614,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51113,
    "c": 0.13706,
    "h": 15.9
  },
  "luminance": 0.1206
}

Semantic roles & 50–950 ramp

primary

#A63E4B

secondary

#82BEB7

accent

#D5C553

background

#FCF7F7

surface

#F9EEEE

border

#D2C9C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A63E4B

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

Preview Lab → · Contrast checker → · Palette generator →