#578EF2#578EF2

#578EF2 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.160 H 261.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#578EF2
RGB	rgb(87, 142, 242)
HSL	hsl(219, 86%, 65%)
HSV	hsv(219, 64%, 95%)
CMYK	cmyk(64%, 41.3%, 0%, 5.1%)
CIE-LAB	lab(59.69, 12.76, -55.65)
CIE-LCH	lch(59.69, 57.09, 282.91°)
OKLab	oklab(65.65% -0.0241 -0.1586)
OKLCH	oklch(65.65% 0.16 261.4)
XYZ	xyz(29.6248, 27.7802, 87.7881)
Luminance	0.2778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EF2 #F2BB57

analogous

#57DBF2 #578EF2 #6E57F2

triadic

#578EF2 #F2578E #8EF257

tetradic

#578EF2 #F257DB #F2BB57 #57F26E

square

#578EF2 #F257DB #F2BB57 #57F26E

split-complementary

#578EF2 #F26E57 #DBF257

monochromatic

#0F4EC0 #1E68EE #578EF2 #90B4F6 #C9DAFB

Accessibility & contrast

On white

3.20

#578EF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#578EF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EF2

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EF2	#FFFFFF	#000000	##000000
##578EF2	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6097F6

Deuteranopia (green-blind)

#4889F0

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #578ef2;
/* rgb */ color: rgb(87, 142, 242);
/* oklch */ color: oklch(65.7% 0.160 261.4);

Tailwind

colors: {
  custom: {
    50: '#94aef7',
    500: '#578ef2',
    950: '#000000',
  },
}

SCSS

$custom: #578ef2;
$custom-light: #94aef7;
$custom-dark: #000000;

JSON

{
  "hex": "#578ef2",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 242
  },
  "hsl": {
    "h": 218.71,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65652,
    "c": 0.16046,
    "h": 261.4
  },
  "luminance": 0.27783
}

Semantic roles & 50–950 ramp

primary

#578EF2

secondary

#EDDAB8

accent

#9303E2

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578EF2

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

Preview Lab → · Contrast checker → · Palette generator →