#578DEC#578DEC

#578DEC is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.1% C 0.154 H 260.9°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#578DEC
RGB	rgb(87, 141, 236)
HSL	hsl(218, 80%, 63%)
HSV	hsv(218, 63%, 93%)
CMYK	cmyk(63.1%, 40.3%, 0%, 7.5%)
CIE-LAB	lab(59.09, 11.33, -53.28)
CIE-LCH	lch(59.09, 54.47, 282.01°)
OKLab	oklab(65.09% -0.0243 -0.1517)
OKLCH	oklch(65.09% 0.154 260.9)
XYZ	xyz(28.5903, 27.1294, 83.0704)
Luminance	0.2713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DEC #ECB657

analogous

#57D7EC #578DEC #6B57EC

triadic

#578DEC #EC578D #8DEC57

tetradic

#578DEC #EC57D7 #ECB657 #57EC6B

square

#578DEC #EC57D7 #ECB657 #57EC6B

split-complementary

#578DEC #EC6B57 #D7EC57

monochromatic

#144EB4 #2068E6 #578DEC #8EB2F2 #C5D8F8

Accessibility & contrast

On white

3.27

#578DEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#578DEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DEC

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DEC	#FFFFFF	#000000	##000000
##578DEC	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6296F0

Deuteranopia (green-blind)

#4C88EA

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578dec;
/* rgb */ color: rgb(87, 141, 236);
/* oklch */ color: oklch(65.1% 0.154 260.9);

Tailwind

colors: {
  custom: {
    50: '#93adf2',
    500: '#578dec',
    950: '#000000',
  },
}

SCSS

$custom: #578dec;
$custom-light: #93adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#578dec",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 236
  },
  "hsl": {
    "h": 218.255,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65086,
    "c": 0.15364,
    "h": 260.9
  },
  "luminance": 0.27132
}

Semantic roles & 50–950 ramp

primary

#578DEC

secondary

#EAD7B5

accent

#900ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578DEC

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

Preview Lab → · Contrast checker → · Palette generator →