#578FEC#578FEC

#578FEC is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.151 H 260.0°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#578FEC
RGB	rgb(87, 143, 236)
HSL	hsl(217, 80%, 63%)
HSV	hsv(217, 63%, 93%)
CMYK	cmyk(63.1%, 39.4%, 0%, 7.5%)
CIE-LAB	lab(59.64, 10.14, -52.41)
CIE-LCH	lch(59.64, 53.38, 280.95°)
OKLab	oklab(65.51% -0.0263 -0.1491)
OKLCH	oklch(65.51% 0.151 260)
XYZ	xyz(28.8879, 27.7246, 83.1696)
Luminance	0.2773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FEC #ECB457

analogous

#57D9EC #578FEC #6957EC

triadic

#578FEC #EC578F #8FEC57

tetradic

#578FEC #EC57D9 #ECB457 #57EC69

square

#578FEC #EC57D9 #ECB457 #57EC69

split-complementary

#578FEC #EC6957 #D9EC57

monochromatic

#1450B4 #206AE6 #578FEC #8EB4F2 #C5D8F8

Accessibility & contrast

On white

3.21

#578FEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#578FEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FEC

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FEC	#FFFFFF	#000000	##000000
##578FEC	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6697F0

Deuteranopia (green-blind)

#5089EA

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #578fec;
/* rgb */ color: rgb(87, 143, 236);
/* oklch */ color: oklch(65.5% 0.151 260.0);

Tailwind

colors: {
  custom: {
    50: '#93aff2',
    500: '#578fec',
    950: '#000000',
  },
}

SCSS

$custom: #578fec;
$custom-light: #93aff2;
$custom-dark: #000000;

JSON

{
  "hex": "#578fec",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 236
  },
  "hsl": {
    "h": 217.45,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65508,
    "c": 0.15144,
    "h": 260
  },
  "luminance": 0.27727
}

Semantic roles & 50–950 ramp

primary

#578FEC

secondary

#EAD6B5

accent

#8D0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578FEC

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

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