#578BDE#578BDE

#578BDE is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.9% C 0.137 H 259.4°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#578BDE
RGB	rgb(87, 139, 222)
HSL	hsl(217, 67%, 61%)
HSV	hsv(217, 61%, 87%)
CMYK	cmyk(60.8%, 37.4%, 0%, 12.9%)
CIE-LAB	lab(57.81, 7.84, -47.53)
CIE-LCH	lch(57.81, 48.17, 279.37°)
OKLab	oklab(63.85% -0.0253 -0.1349)
OKLCH	oklch(63.85% 0.137 259.4)
XYZ	xyz(26.3433, 25.7630, 72.6776)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BDE #DEAA57

analogous

#57CEDE #578BDE #6657DE

triadic

#578BDE #DE578B #8BDE57

tetradic

#578BDE #DE57CE #DEAA57 #57DE66

square

#578BDE #DE57CE #DEAA57 #57DE66

split-complementary

#578BDE #DE6657 #CEDE57

monochromatic

#1F4F9C #2969CF #578BDE #8AAEE8 #BDD2F2

Accessibility & contrast

On white

3.41

#578BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#578BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BDE

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BDE	#FFFFFF	#000000	##000000
##578BDE	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6792E1

Deuteranopia (green-blind)

#5585DC

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578bde;
/* rgb */ color: rgb(87, 139, 222);
/* oklch */ color: oklch(63.9% 0.137 259.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#578bde",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 222
  },
  "hsl": {
    "h": 216.889,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63853,
    "c": 0.13724,
    "h": 259.4
  },
  "luminance": 0.25765
}

Semantic roles & 50–950 ramp

primary

#578BDE

secondary

#E2CEAF

accent

#8816CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578BDE

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

Preview Lab → · Contrast checker → · Palette generator →