#578BF2#578BF2

#578BF2 is a light, vivid blue. Relative luminance 0.269; OKLCH L 65.0% C 0.164 H 262.6°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#578BF2
RGB	rgb(87, 139, 242)
HSL	hsl(220, 86%, 65%)
HSV	hsv(220, 64%, 95%)
CMYK	cmyk(64%, 42.6%, 0%, 5.1%)
CIE-LAB	lab(58.88, 14.56, -56.94)
CIE-LCH	lch(58.88, 58.77, 284.34°)
OKLab	oklab(65.03% -0.0212 -0.1625)
OKLCH	oklch(65.03% 0.164 262.6)
XYZ	xyz(29.1845, 26.8995, 87.6413)
Luminance	0.2690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BF2 #F2BE57

analogous

#57D8F2 #578BF2 #7157F2

triadic

#578BF2 #F2578B #8BF257

tetradic

#578BF2 #F257D8 #F2BE57 #57F271

square

#578BF2 #F257D8 #F2BE57 #57F271

split-complementary

#578BF2 #F27157 #D8F257

monochromatic

#0F4AC0 #1E64EE #578BF2 #90B2F6 #C9D9FB

Accessibility & contrast

On white

3.29

#578BF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#578BF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BF2

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BF2	#FFFFFF	#000000	##000000
##578BF2	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B95F6

Deuteranopia (green-blind)

#4287F0

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578bf2;
/* rgb */ color: rgb(87, 139, 242);
/* oklch */ color: oklch(65.0% 0.164 262.6);

Tailwind

colors: {
  custom: {
    50: '#94acf7',
    500: '#578bf2',
    950: '#000000',
  },
}

SCSS

$custom: #578bf2;
$custom-light: #94acf7;
$custom-dark: #000000;

JSON

{
  "hex": "#578bf2",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 242
  },
  "hsl": {
    "h": 219.871,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65028,
    "c": 0.16385,
    "h": 262.6
  },
  "luminance": 0.26902
}

Semantic roles & 50–950 ramp

primary

#578BF2

secondary

#EDDBB8

accent

#9703E2

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578BF2

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

Preview Lab → · Contrast checker → · Palette generator →