#573DAB#573DAB

#573DAB is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.3% C 0.167 H 288.8°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#573DAB
RGB	rgb(87, 61, 171)
HSL	hsl(254, 47%, 45%)
HSV	hsv(254, 64%, 67%)
CMYK	cmyk(49.1%, 64.3%, 0%, 32.9%)
CIE-LAB	lab(34.61, 39.14, -55.32)
CIE-LCH	lch(34.61, 67.76, 305.28°)
OKLab	oklab(45.3% 0.0539 -0.1584)
OKLCH	oklch(45.3% 0.167 288.8)
XYZ	xyz(12.9478, 8.3035, 39.4407)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573DAB #91AB3D

analogous

#3D5AAB #573DAB #8E3DAB

triadic

#573DAB #AB573D #3DAB57

tetradic

#573DAB #AB3D5A #91AB3D #3DAB8E

square

#573DAB #AB3D5A #91AB3D #3DAB8E

split-complementary

#573DAB #AB8E3D #5AAB3D

monochromatic

#291D51 #402D7E #573DAB #775FC6 #9E8CD6

Accessibility & contrast

On white

7.89

#573DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#573DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573DAB

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573DAB	#FFFFFF	#000000	##FFFFFF
##573DAB	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#004FA9

Tritanopia (blue-blind)

#3B576E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #573dab;
/* rgb */ color: rgb(87, 61, 171);
/* oklch */ color: oklch(45.3% 0.167 288.8);

Tailwind

colors: {
  custom: {
    50: '#8d74c5',
    500: '#573dab',
    950: '#000000',
  },
}

SCSS

$custom: #573dab;
$custom-light: #8d74c5;
$custom-dark: #000000;

JSON

{
  "hex": "#573dab",
  "rgb": {
    "r": 87,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 254.182,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45298,
    "c": 0.16732,
    "h": 288.8
  },
  "luminance": 0.08304
}

Semantic roles & 50–950 ramp

primary

#573DAB

secondary

#B2C183

accent

#D751B7

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573DAB

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

Preview Lab → · Contrast checker → · Palette generator →