#578FF0#578FF0

#578FF0 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.7% C 0.157 H 260.6°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#578FF0
RGB	rgb(87, 143, 240)
HSL	hsl(218, 84%, 64%)
HSV	hsv(218, 64%, 94%)
CMYK	cmyk(63.7%, 40.4%, 0%, 5.9%)
CIE-LAB	lab(59.85, 11.49, -54.28)
CIE-LCH	lch(59.85, 55.49, 281.95°)
OKLab	oklab(65.74% -0.0255 -0.1546)
OKLCH	oklch(65.74% 0.157 260.6)
XYZ	xyz(29.4756, 27.9596, 86.2646)
Luminance	0.2796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FF0 #F0B857

analogous

#57DCF0 #578FF0 #6C57F0

triadic

#578FF0 #F0578F #8FF057

tetradic

#578FF0 #F057DC #F0B857 #57F06C

square

#578FF0 #F057DC #F0B857 #57F06C

split-complementary

#578FF0 #F06C57 #DCF057

monochromatic

#114FBC #1F6AEB #578FF0 #8FB4F5 #C7DAFA

Accessibility & contrast

On white

3.19

#578FF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#578FF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FF0

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FF0	#FFFFFF	#000000	##000000
##578FF0	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)

#6398F4

Deuteranopia (green-blind)

#4C8AEE

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #578ff0;
/* rgb */ color: rgb(87, 143, 240);
/* oklch */ color: oklch(65.7% 0.157 260.6);

Tailwind

colors: {
  custom: {
    50: '#94aff5',
    500: '#578ff0',
    950: '#000000',
  },
}

SCSS

$custom: #578ff0;
$custom-light: #94aff5;
$custom-dark: #000000;

JSON

{
  "hex": "#578ff0",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 240
  },
  "hsl": {
    "h": 218.039,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65743,
    "c": 0.15671,
    "h": 260.6
  },
  "luminance": 0.27962
}

Semantic roles & 50–950 ramp

primary

#578FF0

secondary

#ECD9B7

accent

#9005E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578FF0

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

Preview Lab → · Contrast checker → · Palette generator →