#A63B4E#A63B4E

#A63B4E is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.141 H 13.1°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#A63B4E
RGB	rgb(166, 59, 78)
HSL	hsl(349, 48%, 44%)
HSV	hsv(349, 64%, 65%)
CMYK	cmyk(0%, 64.5%, 53%, 34.9%)
CIE-LAB	lab(40.88, 45.48, 12.59)
CIE-LCH	lch(40.88, 47.19, 15.47°)
OKLab	oklab(50.81% 0.1373 0.0318)
OKLCH	oklch(50.81% 0.141 13.1)
XYZ	xyz(18.6666, 11.7874, 8.4985)
Luminance	0.1178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63B4E #3BA693

analogous

#A63B84 #A63B4E #A65E3B

triadic

#A63B4E #4EA63B #3B4EA6

tetradic

#A63B4E #84A63B #3BA693 #5E3BA6

square

#A63B4E #84A63B #3BA693 #5E3BA6

split-complementary

#A63B4E #3BA65E #3B84A6

monochromatic

#4C1B24 #792B39 #A63B4E #C45A6D #D48795

Accessibility & contrast

On white

6.26

#A63B4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#A63B4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63B4E

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63B4E	#FFFFFF	#000000	##FFFFFF
##A63B4E	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54534E

Deuteranopia (green-blind)

#6F684B

Tritanopia (blue-blind)

#B52942

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63b4e;
/* rgb */ color: rgb(166, 59, 78);
/* oklch */ color: oklch(50.8% 0.141 13.1);

Tailwind

colors: {
  custom: {
    50: '#c6777f',
    500: '#a63b4e',
    950: '#000000',
  },
}

SCSS

$custom: #a63b4e;
$custom-light: #c6777f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63b4e",
  "rgb": {
    "r": 166,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 349.346,
    "s": 47.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50806,
    "c": 0.14096,
    "h": 13.1
  },
  "luminance": 0.11785
}

Semantic roles & 50–950 ramp

primary

#A63B4E

secondary

#7EBFB3

accent

#D7BF51

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A63B4E

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

Preview Lab → · Contrast checker → · Palette generator →