#578CDD#578CDD

#578CDD is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.0% C 0.135 H 258.6°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#578CDD
RGB	rgb(87, 140, 221)
HSL	hsl(216, 66%, 60%)
HSV	hsv(216, 61%, 87%)
CMYK	cmyk(60.6%, 36.7%, 0%, 13.3%)
CIE-LAB	lab(58.04, 6.92, -46.61)
CIE-LCH	lch(58.04, 47.12, 278.44°)
OKLab	oklab(64.01% -0.0266 -0.1322)
OKLCH	oklch(64.01% 0.135 258.6)
XYZ	xyz(26.3551, 26.0005, 72.0223)
Luminance	0.2600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CDD #DDA857

analogous

#57CFDD #578CDD #6557DD

triadic

#578CDD #DD578C #8CDD57

tetradic

#578CDD #DD57CF #DDA857 #57DD65

square

#578CDD #DD57CF #DDA857 #57DD65

split-complementary

#578CDD #DD6557 #CFDD57

monochromatic

#1F509A #2A6ACD #578CDD #8AAFE7 #BDD2F2

Accessibility & contrast

On white

3.39

#578CDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#578CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CDD

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CDD	#FFFFFF	#000000	##000000
##578CDD	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6992E0

Deuteranopia (green-blind)

#5786DB

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578cdd;
/* rgb */ color: rgb(87, 140, 221);
/* oklch */ color: oklch(64.0% 0.135 258.6);

Tailwind

colors: {
  custom: {
    50: '#91ade8',
    500: '#578cdd',
    950: '#000000',
  },
}

SCSS

$custom: #578cdd;
$custom-light: #91ade8;
$custom-dark: #000000;

JSON

{
  "hex": "#578cdd",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 221
  },
  "hsl": {
    "h": 216.269,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64012,
    "c": 0.13484,
    "h": 258.6
  },
  "luminance": 0.26003
}

Semantic roles & 50–950 ramp

primary

#578CDD

secondary

#E1CDAE

accent

#8617CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578CDD

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

Preview Lab → · Contrast checker → · Palette generator →