#578CE3#578CE3

#578CE3 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.143 H 259.8°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#578CE3
RGB	rgb(87, 140, 227)
HSL	hsl(217, 71%, 62%)
HSV	hsv(217, 62%, 89%)
CMYK	cmyk(61.7%, 38.3%, 0%, 11%)
CIE-LAB	lab(58.35, 8.91, -49.47)
CIE-LCH	lch(58.35, 50.27, 280.21°)
OKLab	oklab(64.35% -0.0252 -0.1405)
OKLCH	oklch(64.35% 0.143 259.8)
XYZ	xyz(27.1688, 26.3260, 76.3078)
Luminance	0.2633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CE3 #E3AE57

analogous

#57D2E3 #578CE3 #6857E3

triadic

#578CE3 #E3578C #8CE357

tetradic

#578CE3 #E357D2 #E3AE57 #57E368

square

#578CE3 #E357D2 #E3AE57 #57E368

split-complementary

#578CE3 #E36857 #D2E357

monochromatic

#1B4FA4 #2468D9 #578CE3 #8BB0EC #C0D4F4

Accessibility & contrast

On white

3.35

#578CE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#578CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CE3

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CE3	#FFFFFF	#000000	##000000
##578CE3	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6693E6

Deuteranopia (green-blind)

#5386E1

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #578ce3;
/* rgb */ color: rgb(87, 140, 227);
/* oklch */ color: oklch(64.4% 0.143 259.8);

Tailwind

colors: {
  custom: {
    50: '#92adec',
    500: '#578ce3',
    950: '#000000',
  },
}

SCSS

$custom: #578ce3;
$custom-light: #92adec;
$custom-dark: #000000;

JSON

{
  "hex": "#578ce3",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 227
  },
  "hsl": {
    "h": 217.286,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64351,
    "c": 0.14279,
    "h": 259.8
  },
  "luminance": 0.26328
}

Semantic roles & 50–950 ramp

primary

#578CE3

secondary

#E5D1B1

accent

#8A12D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578CE3

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

Preview Lab → · Contrast checker → · Palette generator →