#A63D47#A63D47

#A63D47 is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.138 H 17.9°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#A63D47
RGB	rgb(166, 61, 71)
HSL	hsl(354, 46%, 45%)
HSV	hsv(354, 63%, 65%)
CMYK	cmyk(0%, 63.3%, 57.2%, 34.9%)
CIE-LAB	lab(41.06, 43.99, 17.20)
CIE-LCH	lch(41.06, 47.24, 21.35°)
OKLab	oklab(50.89% 0.1316 0.0425)
OKLCH	oklch(50.89% 0.138 17.9)
XYZ	xyz(18.5336, 11.9018, 7.2813)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D47 #3DA69C

analogous

#A63D7C #A63D47 #A6683D

triadic

#A63D47 #47A63D #3D47A6

tetradic

#A63D47 #7CA63D #3DA69C #683DA6

square

#A63D47 #7CA63D #3DA69C #683DA6

split-complementary

#A63D47 #3DA668 #3D7CA6

monochromatic

#4C1C21 #792D34 #A63D47 #C35D67 #D48A91

Accessibility & contrast

On white

6.21

#A63D47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#A63D47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D47

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D47	#FFFFFF	#000000	##FFFFFF
##A63D47	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575347

Deuteranopia (green-blind)

#716944

Tritanopia (blue-blind)

#B52A41

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63d47;
/* rgb */ color: rgb(166, 61, 71);
/* oklch */ color: oklch(50.9% 0.138 17.9);

Tailwind

colors: {
  custom: {
    50: '#c6787a',
    500: '#a63d47',
    950: '#000000',
  },
}

SCSS

$custom: #a63d47;
$custom-light: #c6787a;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d47",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 71
  },
  "hsl": {
    "h": 354.286,
    "s": 46.256,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50894,
    "c": 0.13831,
    "h": 17.9
  },
  "luminance": 0.11899
}

Semantic roles & 50–950 ramp

primary

#A63D47

secondary

#80BEB8

accent

#D6C952

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140909

muted

#827B7B

Preview Lab

Preview with #A63D47

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

Preview Lab → · Contrast checker → · Palette generator →