#578BF0#578BF0

#578BF0 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.9% C 0.161 H 262.3°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#578BF0
RGB	rgb(87, 139, 240)
HSL	hsl(220, 84%, 64%)
HSV	hsv(220, 64%, 94%)
CMYK	cmyk(63.7%, 42.1%, 0%, 5.9%)
CIE-LAB	lab(58.77, 13.88, -56.01)
CIE-LCH	lch(58.77, 57.70, 283.92°)
OKLab	oklab(64.91% -0.0216 -0.1597)
OKLCH	oklch(64.91% 0.161 262.3)
XYZ	xyz(28.8857, 26.7800, 86.0680)
Luminance	0.2678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BF0 #F0BC57

analogous

#57D8F0 #578BF0 #7057F0

triadic

#578BF0 #F0578B #8BF057

tetradic

#578BF0 #F057D8 #F0BC57 #57F070

square

#578BF0 #F057D8 #F0BC57 #57F070

split-complementary

#578BF0 #F07057 #D8F057

monochromatic

#114BBC #1F64EB #578BF0 #8FB2F5 #C7D9FA

Accessibility & contrast

On white

3.30

#578BF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#578BF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BF0

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BF0	#FFFFFF	#000000	##000000
##578BF0	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C95F4

Deuteranopia (green-blind)

#4487EE

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578bf0;
/* rgb */ color: rgb(87, 139, 240);
/* oklch */ color: oklch(64.9% 0.161 262.3);

Tailwind

colors: {
  custom: {
    50: '#94acf5',
    500: '#578bf0',
    950: '#000000',
  },
}

SCSS

$custom: #578bf0;
$custom-light: #94acf5;
$custom-dark: #000000;

JSON

{
  "hex": "#578bf0",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 240
  },
  "hsl": {
    "h": 219.608,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.64907,
    "c": 0.16119,
    "h": 262.3
  },
  "luminance": 0.26783
}

Semantic roles & 50–950 ramp

primary

#578BF0

secondary

#ECDAB7

accent

#9605E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578BF0

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

Preview Lab → · Contrast checker → · Palette generator →