#A63D4D#A63D4D

#A63D4D is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.0% C 0.138 H 14.4°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#A63D4D
RGB	rgb(166, 61, 77)
HSL	hsl(351, 46%, 45%)
HSV	hsv(351, 63%, 65%)
CMYK	cmyk(0%, 63.3%, 53.6%, 34.9%)
CIE-LAB	lab(41.19, 44.49, 13.64)
CIE-LCH	lch(41.19, 46.53, 17.05°)
OKLab	oklab(51.03% 0.1341 0.0343)
OKLCH	oklch(51.03% 0.138 14.4)
XYZ	xyz(18.7358, 11.9827, 8.3460)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D4D #3DA696

analogous

#A63D82 #A63D4D #A6623D

triadic

#A63D4D #4DA63D #3D4DA6

tetradic

#A63D4D #82A63D #3DA696 #623DA6

square

#A63D4D #82A63D #3DA696 #623DA6

split-complementary

#A63D4D #3DA662 #3D82A6

monochromatic

#4C1C23 #792D38 #A63D4D #C35D6C #D48A95

Accessibility & contrast

On white

6.18

#A63D4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#A63D4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D4D

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D4D	#FFFFFF	#000000	##FFFFFF
##A63D4D	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)

#56544D

Deuteranopia (green-blind)

#70694A

Tritanopia (blue-blind)

#B52B43

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63d4d;
/* rgb */ color: rgb(166, 61, 77);
/* oklch */ color: oklch(51.0% 0.138 14.4);

Tailwind

colors: {
  custom: {
    50: '#c6787e',
    500: '#a63d4d',
    950: '#000000',
  },
}

SCSS

$custom: #a63d4d;
$custom-light: #c6787e;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d4d",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 77
  },
  "hsl": {
    "h": 350.857,
    "s": 46.256,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51032,
    "c": 0.13839,
    "h": 14.4
  },
  "luminance": 0.1198
}

Semantic roles & 50–950 ramp

primary

#A63D4D

secondary

#80BEB5

accent

#D6C252

background

#FCF7F7

surface

#F9EEEE

border

#D2C9C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A63D4D

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

Preview Lab → · Contrast checker → · Palette generator →