#578BDC#578BDC

#578BDC is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.7% C 0.135 H 259.0°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#578BDC
RGB	rgb(87, 139, 220)
HSL	hsl(217, 66%, 60%)
HSV	hsv(217, 60%, 86%)
CMYK	cmyk(60.5%, 36.8%, 0%, 13.7%)
CIE-LAB	lab(57.71, 7.18, -46.57)
CIE-LCH	lch(57.71, 47.12, 278.77°)
OKLab	oklab(63.74% -0.0258 -0.1321)
OKLCH	oklch(63.74% 0.135 259)
XYZ	xyz(26.0768, 25.6565, 71.2742)
Luminance	0.2566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BDC #DCA857

analogous

#57CEDC #578BDC #6557DC

triadic

#578BDC #DC578B #8BDC57

tetradic

#578BDC #DC57CE #DCA857 #57DC65

square

#578BDC #DC57CE #DCA857 #57DC65

split-complementary

#578BDC #DC6557 #CEDC57

monochromatic

#204F99 #2A69CB #578BDC #8AAEE7 #BCD1F1

Accessibility & contrast

On white

3.42

#578BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#578BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BDC

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BDC	#FFFFFF	#000000	##000000
##578BDC	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6891DF

Deuteranopia (green-blind)

#5685DA

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578bdc;
/* rgb */ color: rgb(87, 139, 220);
/* oklch */ color: oklch(63.7% 0.135 259.0);

Tailwind

colors: {
  custom: {
    50: '#91ace7',
    500: '#578bdc',
    950: '#000000',
  },
}

SCSS

$custom: #578bdc;
$custom-light: #91ace7;
$custom-dark: #000000;

JSON

{
  "hex": "#578bdc",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 220
  },
  "hsl": {
    "h": 216.541,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6374,
    "c": 0.13457,
    "h": 259
  },
  "luminance": 0.25659
}

Semantic roles & 50–950 ramp

primary

#578BDC

secondary

#E1CDAE

accent

#8718CD

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578BDC

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

Preview Lab → · Contrast checker → · Palette generator →