#A63551#A63551

#A63551 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.149 H 9.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#A63551
RGB	rgb(166, 53, 81)
HSL	hsl(345, 52%, 43%)
HSV	hsv(345, 68%, 65%)
CMYK	cmyk(0%, 68.1%, 51.2%, 34.9%)
CIE-LAB	lab(40.00, 48.32, 9.49)
CIE-LCH	lch(40.00, 49.24, 11.11°)
OKLab	oklab(50.18% 0.1467 0.0244)
OKLCH	oklch(50.18% 0.149 9.4)
XYZ	xyz(18.4857, 11.2497, 8.9810)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63551 #35A68A

analogous

#A63589 #A63551 #A65235

triadic

#A63551 #51A635 #3551A6

tetradic

#A63551 #89A635 #35A68A #5235A6

square

#A63551 #89A635 #35A68A #5235A6

split-complementary

#A63551 #35A652 #3589A6

monochromatic

#491724 #78263A #A63551 #C7516E #D67F95

Accessibility & contrast

On white

6.46

#A63551 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A63551 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63551

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63551	#FFFFFF	#000000	##FFFFFF
##A63551	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5052

Deuteranopia (green-blind)

#6D674E

Tritanopia (blue-blind)

#B52140

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a63551;
/* rgb */ color: rgb(166, 53, 81);
/* oklch */ color: oklch(50.2% 0.149 9.4);

Tailwind

colors: {
  custom: {
    50: '#c67481',
    500: '#a63551',
    950: '#000000',
  },
}

SCSS

$custom: #a63551;
$custom-light: #c67481;
$custom-dark: #000000;

JSON

{
  "hex": "#a63551",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 81
  },
  "hsl": {
    "h": 345.133,
    "s": 51.598,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50175,
    "c": 0.14874,
    "h": 9.4
  },
  "luminance": 0.11247
}

Semantic roles & 50–950 ramp

primary

#A63551

secondary

#77BFAE

accent

#DBB84D

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A63551

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

Preview Lab → · Contrast checker → · Palette generator →