#578AF5#578AF5

#578AF5 is a light, vivid blue. Relative luminance 0.268; OKLCH L 65.0% C 0.169 H 263.3°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#578AF5
RGB	rgb(87, 138, 245)
HSL	hsl(221, 89%, 65%)
HSV	hsv(221, 64%, 96%)
CMYK	cmyk(64.5%, 43.7%, 0%, 3.9%)
CIE-LAB	lab(58.78, 16.17, -58.75)
CIE-LCH	lch(58.78, 60.94, 285.39°)
OKLab	oklab(65.01% -0.0197 -0.1678)
OKLCH	oklch(65.01% 0.169 263.3)
XYZ	xyz(29.4946, 26.7930, 89.9857)
Luminance	0.2680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578AF5 #F5C257

analogous

#57D9F5 #578AF5 #7357F5

triadic

#578AF5 #F5578A #8AF557

tetradic

#578AF5 #F557D9 #F5C257 #57F573

square

#578AF5 #F557D9 #F5C257 #57F573

split-complementary

#578AF5 #F57357 #D9F557

monochromatic

#0C48C6 #1D62F2 #578AF5 #91B2F8 #CBDAFC

Accessibility & contrast

On white

3.30

#578AF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#578AF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578AF5

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578AF5	#FFFFFF	#000000	##000000
##578AF5	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5795F9

Deuteranopia (green-blind)

#3C87F3

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578af5;
/* rgb */ color: rgb(87, 138, 245);
/* oklch */ color: oklch(65.0% 0.169 263.3);

Tailwind

colors: {
  custom: {
    50: '#95abf9',
    500: '#578af5',
    950: '#000000',
  },
}

SCSS

$custom: #578af5;
$custom-light: #95abf9;
$custom-dark: #000000;

JSON

{
  "hex": "#578af5",
  "rgb": {
    "r": 87,
    "g": 138,
    "b": 245
  },
  "hsl": {
    "h": 220.633,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65007,
    "c": 0.16897,
    "h": 263.3
  },
  "luminance": 0.26796
}

Semantic roles & 50–950 ramp

primary

#578AF5

secondary

#EFDDB9

accent

#9B00E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #578AF5

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

Preview Lab → · Contrast checker → · Palette generator →