#578DDD#578DDD

#578DDD is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.2% C 0.134 H 258.1°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#578DDD
RGB	rgb(87, 141, 221)
HSL	hsl(216, 66%, 60%)
HSV	hsv(216, 61%, 87%)
CMYK	cmyk(60.6%, 36.2%, 0%, 13.3%)
CIE-LAB	lab(58.32, 6.33, -46.17)
CIE-LCH	lch(58.32, 46.60, 277.80°)
OKLab	oklab(64.23% -0.0276 -0.1309)
OKLCH	oklch(64.23% 0.134 258.1)
XYZ	xyz(26.5019, 26.2941, 72.0712)
Luminance	0.2630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DDD #DDA757

analogous

#57D0DD #578DDD #6457DD

triadic

#578DDD #DD578D #8DDD57

tetradic

#578DDD #DD57D0 #DDA757 #57DD64

square

#578DDD #DD57D0 #DDA757 #57DD64

split-complementary

#578DDD #DD6457 #D0DD57

monochromatic

#1F519A #2A6CCD #578DDD #8AB0E7 #BDD2F2

Accessibility & contrast

On white

3.36

#578DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#578DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DDD

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DDD	#FFFFFF	#000000	##000000
##578DDD	1.00	3.36	6.26	6.26
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B93E0

Deuteranopia (green-blind)

#5986DB

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #578ddd;
/* rgb */ color: rgb(87, 141, 221);
/* oklch */ color: oklch(64.2% 0.134 258.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#578ddd",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 221
  },
  "hsl": {
    "h": 215.821,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64228,
    "c": 0.13379,
    "h": 258.1
  },
  "luminance": 0.26296
}

Semantic roles & 50–950 ramp

primary

#578DDD

secondary

#E1CDAE

accent

#8417CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578DDD

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

Preview Lab → · Contrast checker → · Palette generator →