#A63D4E#A63D4E

#A63D4E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.138 H 13.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#A63D4E
RGB	rgb(166, 61, 78)
HSL	hsl(350, 46%, 45%)
HSV	hsv(350, 63%, 65%)
CMYK	cmyk(0%, 63.3%, 53%, 34.9%)
CIE-LAB	lab(41.21, 44.58, 13.05)
CIE-LCH	lch(41.21, 46.45, 16.32°)
OKLab	oklab(51.06% 0.1345 0.0329)
OKLCH	oklch(51.06% 0.138 13.8)
XYZ	xyz(18.7713, 11.9969, 8.5334)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D4E #3DA695

analogous

#A63D83 #A63D4E #A6613D

triadic

#A63D4E #4EA63D #3D4EA6

tetradic

#A63D4E #83A63D #3DA695 #613DA6

square

#A63D4E #83A63D #3DA695 #613DA6

split-complementary

#A63D4E #3DA661 #3D83A6

monochromatic

#4C1C24 #792D39 #A63D4E #C35D6D #D48A96

Accessibility & contrast

On white

6.18

#A63D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#A63D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D4E

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D4E	#FFFFFF	#000000	##FFFFFF
##A63D4E	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55544E

Deuteranopia (green-blind)

#70694B

Tritanopia (blue-blind)

#B52C44

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63d4e;
/* rgb */ color: rgb(166, 61, 78);
/* oklch */ color: oklch(51.1% 0.138 13.8);

Tailwind

colors: {
  custom: {
    50: '#c5787f',
    500: '#a63d4e',
    950: '#000000',
  },
}

SCSS

$custom: #a63d4e;
$custom-light: #c5787f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d4e",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 350.286,
    "s": 46.256,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51057,
    "c": 0.13844,
    "h": 13.8
  },
  "luminance": 0.11995
}

Semantic roles & 50–950 ramp

primary

#A63D4E

secondary

#80BEB4

accent

#D6C152

background

#FCF7F7

surface

#F9EEEE

border

#D2C9C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A63D4E

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

Preview Lab → · Contrast checker → · Palette generator →