#A63E43#A63E43

#A63E43 is a mid, vivid red. Relative luminance 0.120; OKLCH L 50.9% C 0.137 H 20.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#A63E43
RGB	rgb(166, 62, 67)
HSL	hsl(357, 46%, 45%)
HSV	hsv(357, 63%, 65%)
CMYK	cmyk(0%, 62.7%, 59.6%, 34.9%)
CIE-LAB	lab(41.15, 43.23, 19.80)
CIE-LCH	lch(41.15, 47.55, 24.60°)
OKLab	oklab(50.94% 0.1285 0.0483)
OKLCH	oklch(50.94% 0.137 20.6)
XYZ	xyz(18.4633, 11.9599, 6.6453)
Luminance	0.1196 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E43 #3EA6A1

analogous

#A63E77 #A63E43 #A66D3E

triadic

#A63E43 #43A63E #3E43A6

tetradic

#A63E43 #77A63E #3EA6A1 #6D3EA6

square

#A63E43 #77A63E #3EA6A1 #6D3EA6

split-complementary

#A63E43 #3EA66D #3E77A6

monochromatic

#4D1D1F #792D31 #A63E43 #C35E63 #D48B8E

Accessibility & contrast

On white

6.19

#A63E43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#A63E43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E43

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E43	#FFFFFF	#000000	##FFFFFF
##A63E43	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)

#585342

Deuteranopia (green-blind)

#726940

Tritanopia (blue-blind)

#B62A41

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63e43;
/* rgb */ color: rgb(166, 62, 67);
/* oklch */ color: oklch(50.9% 0.137 20.6);

Tailwind

colors: {
  custom: {
    50: '#c67877',
    500: '#a63e43',
    950: '#000000',
  },
}

SCSS

$custom: #a63e43;
$custom-light: #c67877;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e43",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 67
  },
  "hsl": {
    "h": 357.115,
    "s": 45.614,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50938,
    "c": 0.1373,
    "h": 20.6
  },
  "luminance": 0.11957
}

Semantic roles & 50–950 ramp

primary

#A63E43

secondary

#82BEBB

accent

#D5CF53

background

#FCF7F7

surface

#F9EEED

border

#D2C9C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63E43

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

Preview Lab → · Contrast checker → · Palette generator →