#578ADE#578ADE

#578ADE is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.6% C 0.138 H 259.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#578ADE
RGB	rgb(87, 138, 222)
HSL	hsl(217, 67%, 61%)
HSV	hsv(217, 61%, 87%)
CMYK	cmyk(60.8%, 37.8%, 0%, 12.9%)
CIE-LAB	lab(57.54, 8.44, -47.96)
CIE-LCH	lch(57.54, 48.70, 279.98°)
OKLab	oklab(63.64% -0.0243 -0.1362)
OKLCH	oklch(63.64% 0.138 259.9)
XYZ	xyz(26.1991, 25.4748, 72.6295)
Luminance	0.2548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578ADE #DEAB57

analogous

#57CEDE #578ADE #6757DE

triadic

#578ADE #DE578A #8ADE57

tetradic

#578ADE #DE57CE #DEAB57 #57DE67

square

#578ADE #DE57CE #DEAB57 #57DE67

split-complementary

#578ADE #DE6757 #CEDE57

monochromatic

#1F4E9C #2968CF #578ADE #8AAEE8 #BDD1F2

Accessibility & contrast

On white

3.45

#578ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#578ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578ADE

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578ADE	#FFFFFF	#000000	##000000
##578ADE	1.00	3.45	6.10	6.10
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6691E1

Deuteranopia (green-blind)

#5384DC

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #578ade;
/* rgb */ color: rgb(87, 138, 222);
/* oklch */ color: oklch(63.6% 0.138 259.9);

Tailwind

colors: {
  custom: {
    50: '#91abe9',
    500: '#578ade',
    950: '#000000',
  },
}

SCSS

$custom: #578ade;
$custom-light: #91abe9;
$custom-dark: #000000;

JSON

{
  "hex": "#578ade",
  "rgb": {
    "r": 87,
    "g": 138,
    "b": 222
  },
  "hsl": {
    "h": 217.333,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63638,
    "c": 0.13832,
    "h": 259.9
  },
  "luminance": 0.25477
}

Semantic roles & 50–950 ramp

primary

#578ADE

secondary

#E2CFAF

accent

#8916CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578ADE

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

Preview Lab → · Contrast checker → · Palette generator →