#578BEE#578BEE

#578BEE is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.159 H 262.0°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#578BEE
RGB	rgb(87, 139, 238)
HSL	hsl(219, 82%, 64%)
HSV	hsv(219, 63%, 93%)
CMYK	cmyk(63.4%, 41.6%, 0%, 6.7%)
CIE-LAB	lab(58.66, 13.20, -55.08)
CIE-LCH	lch(58.66, 56.64, 283.48°)
OKLab	oklab(64.79% -0.022 -0.157)
OKLCH	oklch(64.79% 0.159 262)
XYZ	xyz(28.5903, 26.6618, 84.5119)
Luminance	0.2666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BEE #EEBA57

analogous

#57D6EE #578BEE #6E57EE

triadic

#578BEE #EE578B #8BEE57

tetradic

#578BEE #EE57D6 #EEBA57 #57EE6E

square

#578BEE #EE57D6 #EEBA57 #57EE6E

split-complementary

#578BEE #EE6E57 #D6EE57

monochromatic

#134CB8 #1F65E8 #578BEE #8FB1F4 #C6D8F9

Accessibility & contrast

On white

3.32

#578BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#578BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BEE

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BEE	#FFFFFF	#000000	##000000
##578BEE	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E95F2

Deuteranopia (green-blind)

#4787EC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578bee;
/* rgb */ color: rgb(87, 139, 238);
/* oklch */ color: oklch(64.8% 0.159 262.0);

Tailwind

colors: {
  custom: {
    50: '#94acf4',
    500: '#578bee',
    950: '#000000',
  },
}

SCSS

$custom: #578bee;
$custom-light: #94acf4;
$custom-dark: #000000;

JSON

{
  "hex": "#578bee",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 238
  },
  "hsl": {
    "h": 219.338,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64786,
    "c": 0.15854,
    "h": 262
  },
  "luminance": 0.26665
}

Semantic roles & 50–950 ramp

primary

#578BEE

secondary

#EBD9B6

accent

#9408DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578BEE

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

Preview Lab → · Contrast checker → · Palette generator →