#578BE3#578BE3

#578BE3 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.1% C 0.144 H 260.3°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#578BE3
RGB	rgb(87, 139, 227)
HSL	hsl(218, 71%, 62%)
HSV	hsv(218, 62%, 89%)
CMYK	cmyk(61.7%, 38.8%, 0%, 11%)
CIE-LAB	lab(58.07, 9.51, -49.91)
CIE-LCH	lch(58.07, 50.80, 280.79°)
OKLab	oklab(64.14% -0.0242 -0.1418)
OKLCH	oklch(64.14% 0.144 260.3)
XYZ	xyz(27.0233, 26.0351, 76.2593)
Luminance	0.2604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BE3 #E3AF57

analogous

#57D1E3 #578BE3 #6957E3

triadic

#578BE3 #E3578B #8BE357

tetradic

#578BE3 #E357D1 #E3AF57 #57E369

square

#578BE3 #E357D1 #E3AF57 #57E369

split-complementary

#578BE3 #E36957 #D1E357

monochromatic

#1B4EA4 #2467D9 #578BE3 #8BAFEC #C0D3F4

Accessibility & contrast

On white

3.38

#578BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#578BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BE3

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BE3	#FFFFFF	#000000	##000000
##578BE3	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E7

Deuteranopia (green-blind)

#5186E1

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #578be3;
/* rgb */ color: rgb(87, 139, 227);
/* oklch */ color: oklch(64.1% 0.144 260.3);

Tailwind

colors: {
  custom: {
    50: '#92acec',
    500: '#578be3',
    950: '#000000',
  },
}

SCSS

$custom: #578be3;
$custom-light: #92acec;
$custom-dark: #000000;

JSON

{
  "hex": "#578be3",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 227
  },
  "hsl": {
    "h": 217.714,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64138,
    "c": 0.14389,
    "h": 260.3
  },
  "luminance": 0.26038
}

Semantic roles & 50–950 ramp

primary

#578BE3

secondary

#E5D2B1

accent

#8C12D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578BE3

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

Preview Lab → · Contrast checker → · Palette generator →