#578CF2#578CF2

#578CF2 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.2% C 0.163 H 262.2°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#578CF2
RGB	rgb(87, 140, 242)
HSL	hsl(219, 86%, 65%)
HSV	hsv(219, 64%, 95%)
CMYK	cmyk(64%, 42.1%, 0%, 5.1%)
CIE-LAB	lab(59.15, 13.96, -56.51)
CIE-LCH	lch(59.15, 58.21, 283.87°)
OKLab	oklab(65.24% -0.0222 -0.1612)
OKLCH	oklch(65.24% 0.163 262.2)
XYZ	xyz(29.3299, 27.1904, 87.6898)
Luminance	0.2719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CF2 #F2BD57

analogous

#57D9F2 #578CF2 #7057F2

triadic

#578CF2 #F2578C #8CF257

tetradic

#578CF2 #F257D9 #F2BD57 #57F270

square

#578CF2 #F257D9 #F2BD57 #57F270

split-complementary

#578CF2 #F27057 #D9F257

monochromatic

#0F4BC0 #1E65EE #578CF2 #90B3F6 #C9DAFB

Accessibility & contrast

On white

3.26

#578CF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#578CF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CF2

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CF2	#FFFFFF	#000000	##000000
##578CF2	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D96F6

Deuteranopia (green-blind)

#4488F0

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578cf2;
/* rgb */ color: rgb(87, 140, 242);
/* oklch */ color: oklch(65.2% 0.163 262.2);

Tailwind

colors: {
  custom: {
    50: '#94adf7',
    500: '#578cf2',
    950: '#000000',
  },
}

SCSS

$custom: #578cf2;
$custom-light: #94adf7;
$custom-dark: #000000;

JSON

{
  "hex": "#578cf2",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 242
  },
  "hsl": {
    "h": 219.484,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65236,
    "c": 0.16271,
    "h": 262.2
  },
  "luminance": 0.27193
}

Semantic roles & 50–950 ramp

primary

#578CF2

secondary

#EDDBB8

accent

#9603E2

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578CF2

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

Preview Lab → · Contrast checker → · Palette generator →