#578DE4#578DE4

#578DE4 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.6% C 0.143 H 259.5°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#578DE4
RGB	rgb(87, 141, 228)
HSL	hsl(217, 72%, 62%)
HSV	hsv(217, 62%, 89%)
CMYK	cmyk(61.8%, 38.2%, 0%, 10.6%)
CIE-LAB	lab(58.67, 8.65, -49.51)
CIE-LCH	lch(58.67, 50.26, 279.91°)
OKLab	oklab(64.62% -0.026 -0.1406)
OKLCH	oklch(64.62% 0.143 259.5)
XYZ	xyz(27.4540, 26.6749, 77.0857)
Luminance	0.2668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DE4 #E4AE57

analogous

#57D4E4 #578DE4 #6857E4

triadic

#578DE4 #E4578D #8DE457

tetradic

#578DE4 #E457D4 #E4AE57 #57E468

square

#578DE4 #E457D4 #E4AE57 #57E468

split-complementary

#578DE4 #E46857 #D4E457

monochromatic

#1B50A6 #2369DB #578DE4 #8CB1EC #C0D5F5

Accessibility & contrast

On white

3.31

#578DE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#578DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DE4

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DE4	#FFFFFF	#000000	##000000
##578DE4	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6794E7

Deuteranopia (green-blind)

#5387E2

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578de4;
/* rgb */ color: rgb(87, 141, 228);
/* oklch */ color: oklch(64.6% 0.143 259.5);

Tailwind

colors: {
  custom: {
    50: '#92aded',
    500: '#578de4',
    950: '#000000',
  },
}

SCSS

$custom: #578de4;
$custom-light: #92aded;
$custom-dark: #000000;

JSON

{
  "hex": "#578de4",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 228
  },
  "hsl": {
    "h": 217.021,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64622,
    "c": 0.14304,
    "h": 259.5
  },
  "luminance": 0.26677
}

Semantic roles & 50–950 ramp

primary

#578DE4

secondary

#E6D2B1

accent

#8A11D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578DE4

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

Preview Lab → · Contrast checker → · Palette generator →