#578CDC#578CDC

#578CDC is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.0% C 0.134 H 258.4°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#578CDC
RGB	rgb(87, 140, 220)
HSL	hsl(216, 66%, 60%)
HSV	hsv(216, 60%, 86%)
CMYK	cmyk(60.5%, 36.4%, 0%, 13.7%)
CIE-LAB	lab(57.99, 6.59, -46.13)
CIE-LCH	lch(57.99, 46.60, 278.13°)
OKLab	oklab(63.96% -0.0268 -0.1308)
OKLCH	oklch(63.96% 0.134 258.4)
XYZ	xyz(26.2223, 25.9474, 71.3227)
Luminance	0.2595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CDC #DCA757

analogous

#57CFDC #578CDC #6457DC

triadic

#578CDC #DC578C #8CDC57

tetradic

#578CDC #DC57CF #DCA757 #57DC64

square

#578CDC #DC57CF #DCA757 #57DC64

split-complementary

#578CDC #DC6457 #CFDC57

monochromatic

#205099 #2A6BCB #578CDC #8AAFE7 #BCD1F1

Accessibility & contrast

On white

3.39

#578CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#578CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CDC

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CDC	#FFFFFF	#000000	##000000
##578CDC	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92DF

Deuteranopia (green-blind)

#5886DA

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #578cdc;
/* rgb */ color: rgb(87, 140, 220);
/* oklch */ color: oklch(64.0% 0.134 258.4);

Tailwind

colors: {
  custom: {
    50: '#91ade7',
    500: '#578cdc',
    950: '#000000',
  },
}

SCSS

$custom: #578cdc;
$custom-light: #91ade7;
$custom-dark: #000000;

JSON

{
  "hex": "#578cdc",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 216.09,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.63956,
    "c": 0.13351,
    "h": 258.4
  },
  "luminance": 0.2595
}

Semantic roles & 50–950 ramp

primary

#578CDC

secondary

#E1CDAE

accent

#8518CD

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578CDC

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

Preview Lab → · Contrast checker → · Palette generator →