#578BEC#578BEC

#578BEC is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.7% C 0.156 H 261.8°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#578BEC
RGB	rgb(87, 139, 236)
HSL	hsl(219, 80%, 63%)
HSV	hsv(219, 63%, 93%)
CMYK	cmyk(63.1%, 41.1%, 0%, 7.5%)
CIE-LAB	lab(58.55, 12.53, -54.14)
CIE-LCH	lch(58.55, 55.57, 283.03°)
OKLab	oklab(64.67% -0.0223 -0.1543)
OKLCH	oklch(64.67% 0.156 261.8)
XYZ	xyz(28.2981, 26.5450, 82.9730)
Luminance	0.2655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BEC #ECB857

analogous

#57D6EC #578BEC #6D57EC

triadic

#578BEC #EC578B #8BEC57

tetradic

#578BEC #EC57D6 #ECB857 #57EC6D

square

#578BEC #EC57D6 #ECB857 #57EC6D

split-complementary

#578BEC #EC6D57 #D6EC57

monochromatic

#144CB4 #2065E6 #578BEC #8EB1F2 #C5D7F8

Accessibility & contrast

On white

3.33

#578BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#578BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BEC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BEC	#FFFFFF	#000000	##000000
##578BEC	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F94F0

Deuteranopia (green-blind)

#4986EA

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578bec;
/* rgb */ color: rgb(87, 139, 236);
/* oklch */ color: oklch(64.7% 0.156 261.8);

Tailwind

colors: {
  custom: {
    50: '#93acf2',
    500: '#578bec',
    950: '#000000',
  },
}

SCSS

$custom: #578bec;
$custom-light: #93acf2;
$custom-dark: #000000;

JSON

{
  "hex": "#578bec",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 236
  },
  "hsl": {
    "h": 219.06,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64666,
    "c": 0.15588,
    "h": 261.8
  },
  "luminance": 0.26548
}

Semantic roles & 50–950 ramp

primary

#578BEC

secondary

#EAD7B5

accent

#930ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578BEC

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

Preview Lab → · Contrast checker → · Palette generator →