#578FE4#578FE4

#578FE4 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.0% C 0.141 H 258.5°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#578FE4
RGB	rgb(87, 143, 228)
HSL	hsl(216, 72%, 62%)
HSV	hsv(216, 62%, 89%)
CMYK	cmyk(61.8%, 37.3%, 0%, 10.6%)
CIE-LAB	lab(59.22, 7.47, -48.63)
CIE-LCH	lch(59.22, 49.20, 278.73°)
OKLab	oklab(65.05% -0.0281 -0.1381)
OKLCH	oklch(65.05% 0.141 258.5)
XYZ	xyz(27.7516, 27.2700, 77.1849)
Luminance	0.2727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FE4 #E4AC57

analogous

#57D6E4 #578FE4 #6657E4

triadic

#578FE4 #E4578F #8FE457

tetradic

#578FE4 #E457D6 #E4AC57 #57E466

square

#578FE4 #E457D6 #E4AC57 #57E466

split-complementary

#578FE4 #E46657 #D6E457

monochromatic

#1B52A6 #236CDB #578FE4 #8CB2EC #C0D5F5

Accessibility & contrast

On white

3.25

#578FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#578FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FE4

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FE4	#FFFFFF	#000000	##000000
##578FE4	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96E7

Deuteranopia (green-blind)

#5789E2

Tritanopia (blue-blind)

#00A2AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #578fe4;
/* rgb */ color: rgb(87, 143, 228);
/* oklch */ color: oklch(65.0% 0.141 258.5);

Tailwind

colors: {
  custom: {
    50: '#92afed',
    500: '#578fe4',
    950: '#000000',
  },
}

SCSS

$custom: #578fe4;
$custom-light: #92afed;
$custom-dark: #000000;

JSON

{
  "hex": "#578fe4",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 228
  },
  "hsl": {
    "h": 216.17,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.6505,
    "c": 0.14089,
    "h": 258.5
  },
  "luminance": 0.27273
}

Semantic roles & 50–950 ramp

primary

#578FE4

secondary

#E6D1B1

accent

#8711D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578FE4

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

Preview Lab → · Contrast checker → · Palette generator →