#573BB0#573BB0

#573BB0 is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.4% C 0.176 H 288.3°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#573BB0
RGB	rgb(87, 59, 176)
HSL	hsl(254, 50%, 46%)
HSV	hsv(254, 66%, 69%)
CMYK	cmyk(50.6%, 66.5%, 0%, 31%)
CIE-LAB	lab(34.58, 41.77, -58.35)
CIE-LCH	lch(34.58, 71.75, 305.60°)
OKLab	oklab(45.4% 0.0554 -0.1673)
OKLCH	oklch(45.4% 0.176 288.3)
XYZ	xyz(13.3286, 8.2882, 41.9634)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.61

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573BB0 #94B03B

analogous

#3B59B0 #573BB0 #913BB0

triadic

#573BB0 #B0573B #3BB057

tetradic

#573BB0 #B03B59 #94B03B #3BB091

square

#573BB0 #B03B59 #94B03B #3BB091

split-complementary

#573BB0 #B0913B #59B03B

monochromatic

#2A1C54 #402C82 #573BB0 #785FC9 #9F8DD9

Accessibility & contrast

On white

7.90

#573BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#573BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573BB0

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573BB0	#FFFFFF	#000000	##FFFFFF
##573BB0	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B4

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#375870

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #573bb0;
/* rgb */ color: rgb(87, 59, 176);
/* oklch */ color: oklch(45.4% 0.176 288.3);

Tailwind

colors: {
  custom: {
    50: '#8e73c8',
    500: '#573bb0',
    950: '#000000',
  },
}

SCSS

$custom: #573bb0;
$custom-light: #8e73c8;
$custom-dark: #000000;

JSON

{
  "hex": "#573bb0",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 176
  },
  "hsl": {
    "h": 254.359,
    "s": 49.787,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45399,
    "c": 0.17624,
    "h": 288.3
  },
  "luminance": 0.08289
}

Semantic roles & 50–950 ramp

primary

#573BB0

secondary

#B4C383

accent

#D94EB8

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573BB0

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

Preview Lab → · Contrast checker → · Palette generator →