#578FE5#578FE5

#578FE5 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.1% C 0.142 H 258.7°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#578FE5
RGB	rgb(87, 143, 229)
HSL	hsl(216, 73%, 62%)
HSV	hsv(216, 62%, 90%)
CMYK	cmyk(62%, 37.6%, 0%, 10.2%)
CIE-LAB	lab(59.27, 7.80, -49.11)
CIE-LCH	lch(59.27, 49.72, 279.03°)
OKLab	oklab(65.11% -0.0278 -0.1395)
OKLCH	oklch(65.11% 0.142 258.7)
XYZ	xyz(27.8908, 27.3257, 77.9181)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FE5 #E5AD57

analogous

#57D6E5 #578FE5 #6657E5

triadic

#578FE5 #E5578F #8FE557

tetradic

#578FE5 #E557D6 #E5AD57 #57E566

square

#578FE5 #E557D6 #E5AD57 #57E566

split-complementary

#578FE5 #E56657 #D6E557

monochromatic

#1A52A8 #226CDD #578FE5 #8CB2ED #C1D6F5

Accessibility & contrast

On white

3.25

#578FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#578FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FE5

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FE5	#FFFFFF	#000000	##000000
##578FE5	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96E8

Deuteranopia (green-blind)

#5689E3

Tritanopia (blue-blind)

#00A3AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #578fe5;
/* rgb */ color: rgb(87, 143, 229);
/* oklch */ color: oklch(65.1% 0.142 258.7);

Tailwind

colors: {
  custom: {
    50: '#92afed',
    500: '#578fe5',
    950: '#000000',
  },
}

SCSS

$custom: #578fe5;
$custom-light: #92afed;
$custom-dark: #000000;

JSON

{
  "hex": "#578fe5",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 229
  },
  "hsl": {
    "h": 216.338,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.65107,
    "c": 0.14221,
    "h": 258.7
  },
  "luminance": 0.27328
}

Semantic roles & 50–950 ramp

primary

#578FE5

secondary

#E6D1B2

accent

#8810D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578FE5

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

Preview Lab → · Contrast checker → · Palette generator →