#578BDD#578BDD

#578BDD is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.8% C 0.136 H 259.2°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#578BDD
RGB	rgb(87, 139, 221)
HSL	hsl(217, 66%, 60%)
HSV	hsv(217, 61%, 87%)
CMYK	cmyk(60.6%, 37.1%, 0%, 13.3%)
CIE-LAB	lab(57.76, 7.51, -47.05)
CIE-LCH	lch(57.76, 47.64, 279.07°)
OKLab	oklab(63.8% -0.0255 -0.1335)
OKLCH	oklch(63.8% 0.136 259.2)
XYZ	xyz(26.2096, 25.7096, 71.9738)
Luminance	0.2571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BDD #DDA957

analogous

#57CEDD #578BDD #6657DD

triadic

#578BDD #DD578B #8BDD57

tetradic

#578BDD #DD57CE #DDA957 #57DD66

square

#578BDD #DD57CE #DDA957 #57DD66

split-complementary

#578BDD #DD6657 #CEDD57

monochromatic

#1F4F9A #2A69CD #578BDD #8AAEE7 #BDD1F2

Accessibility & contrast

On white

3.42

#578BDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#578BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BDD

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BDD	#FFFFFF	#000000	##000000
##578BDD	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E0

Deuteranopia (green-blind)

#5685DB

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578bdd;
/* rgb */ color: rgb(87, 139, 221);
/* oklch */ color: oklch(63.8% 0.136 259.2);

Tailwind

colors: {
  custom: {
    50: '#91ace8',
    500: '#578bdd',
    950: '#000000',
  },
}

SCSS

$custom: #578bdd;
$custom-light: #91ace8;
$custom-dark: #000000;

JSON

{
  "hex": "#578bdd",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 216.716,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63797,
    "c": 0.1359,
    "h": 259.2
  },
  "luminance": 0.25712
}

Semantic roles & 50–950 ramp

primary

#578BDD

secondary

#E1CEAE

accent

#8717CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578BDD

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

Preview Lab → · Contrast checker → · Palette generator →