#578CE9#578CE9

#578CE9 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.151 H 260.9°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#578CE9
RGB	rgb(87, 140, 233)
HSL	hsl(218, 77%, 63%)
HSV	hsv(218, 63%, 91%)
CMYK	cmyk(62.7%, 39.9%, 0%, 8.6%)
CIE-LAB	lab(58.66, 10.92, -52.30)
CIE-LCH	lch(58.66, 53.43, 281.80°)
OKLab	oklab(64.7% -0.0239 -0.1489)
OKLCH	oklch(64.7% 0.151 260.9)
XYZ	xyz(28.0114, 26.6630, 80.7453)
Luminance	0.2667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CE9 #E9B457

analogous

#57D5E9 #578CE9 #6B57E9

triadic

#578CE9 #E9578C #8CE957

tetradic

#578CE9 #E957D5 #E9B457 #57E96B

square

#578CE9 #E957D5 #E9B457 #57E96B

split-complementary

#578CE9 #E96B57 #D5E957

monochromatic

#174EAF #2167E2 #578CE9 #8DB1F0 #C3D6F7

Accessibility & contrast

On white

3.32

#578CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#578CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CE9

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CE9	#FFFFFF	#000000	##000000
##578CE9	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)

#6394ED

Deuteranopia (green-blind)

#4D87E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578ce9;
/* rgb */ color: rgb(87, 140, 233);
/* oklch */ color: oklch(64.7% 0.151 260.9);

Tailwind

colors: {
  custom: {
    50: '#93adf0',
    500: '#578ce9',
    950: '#000000',
  },
}

SCSS

$custom: #578ce9;
$custom-light: #93adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#578ce9",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 233
  },
  "hsl": {
    "h": 218.219,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64699,
    "c": 0.15077,
    "h": 260.9
  },
  "luminance": 0.26666
}

Semantic roles & 50–950 ramp

primary

#578CE9

secondary

#E8D5B3

accent

#8F0CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578CE9

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

Preview Lab → · Contrast checker → · Palette generator →