#573BB5#573BB5

#573BB5 is a mid, vivid violet. Relative luminance 0.085; OKLCH L 45.8% C 0.182 H 287.4°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#573BB5
RGB	rgb(87, 59, 181)
HSL	hsl(254, 51%, 47%)
HSV	hsv(254, 67%, 71%)
CMYK	cmyk(51.9%, 67.4%, 0%, 29%)
CIE-LAB	lab(34.98, 43.25, -60.65)
CIE-LCH	lch(34.98, 74.49, 305.49°)
OKLab	oklab(45.82% 0.0547 -0.1741)
OKLCH	oklch(45.82% 0.182 287.4)
XYZ	xyz(13.8325, 8.4897, 44.6169)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573BB5 #99B53B

analogous

#3B5CB5 #573BB5 #943BB5

triadic

#573BB5 #B5573B #3BB557

tetradic

#573BB5 #B53B5C #99B53B #3BB594

square

#573BB5 #B53B5C #99B53B #3BB594

split-complementary

#573BB5 #B5943B #5CB53B

monochromatic

#2B1D59 #412C87 #573BB5 #7A62CC #A190DB

Accessibility & contrast

On white

7.78

#573BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#573BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573BB5

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573BB5	#FFFFFF	#000000	##FFFFFF
##573BB5	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#004FB3

Tritanopia (blue-blind)

#335A73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #573bb5;
/* rgb */ color: rgb(87, 59, 181);
/* oklch */ color: oklch(45.8% 0.182 287.4);

Tailwind

colors: {
  custom: {
    50: '#8f73cc',
    500: '#573bb5',
    950: '#000000',
  },
}

SCSS

$custom: #573bb5;
$custom-light: #8f73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#573bb5",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 253.77,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45818,
    "c": 0.18247,
    "h": 287.4
  },
  "luminance": 0.0849
}

Semantic roles & 50–950 ramp

primary

#573BB5

secondary

#B7C686

accent

#DA4DBA

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573BB5

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

Preview Lab → · Contrast checker → · Palette generator →