#578EF5#578EF5

#578EF5 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.8% C 0.164 H 261.8°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#578EF5
RGB	rgb(87, 142, 245)
HSL	hsl(219, 89%, 65%)
HSV	hsv(219, 64%, 96%)
CMYK	cmyk(64.5%, 42%, 0%, 3.9%)
CIE-LAB	lab(59.85, 13.77, -57.04)
CIE-LCH	lch(59.85, 58.68, 283.58°)
OKLab	oklab(65.83% -0.0235 -0.1627)
OKLCH	oklch(65.83% 0.164 261.8)
XYZ	xyz(30.0791, 27.9619, 90.1805)
Luminance	0.2797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EF5 #F5BE57

analogous

#57DDF5 #578EF5 #6F57F5

triadic

#578EF5 #F5578E #8EF557

tetradic

#578EF5 #F557DD #F5BE57 #57F56F

square

#578EF5 #F557DD #F5BE57 #57F56F

split-complementary

#578EF5 #F56F57 #DDF557

monochromatic

#0C4DC6 #1D67F2 #578EF5 #91B5F8 #CBDCFC

Accessibility & contrast

On white

3.19

#578EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#578EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EF5

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EF5	#FFFFFF	#000000	##000000
##578EF5	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E98F9

Deuteranopia (green-blind)

#4589F3

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #578ef5;
/* rgb */ color: rgb(87, 142, 245);
/* oklch */ color: oklch(65.8% 0.164 261.8);

Tailwind

colors: {
  custom: {
    50: '#95aef9',
    500: '#578ef5',
    950: '#000000',
  },
}

SCSS

$custom: #578ef5;
$custom-light: #95aef9;
$custom-dark: #000000;

JSON

{
  "hex": "#578ef5",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 245
  },
  "hsl": {
    "h": 219.114,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65833,
    "c": 0.16442,
    "h": 261.8
  },
  "luminance": 0.27965
}

Semantic roles & 50–950 ramp

primary

#578EF5

secondary

#EFDCB9

accent

#9600E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578EF5

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

Preview Lab → · Contrast checker → · Palette generator →