#578DEA#578DEA

#578DEA is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.151 H 260.6°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#578DEA
RGB	rgb(87, 141, 234)
HSL	hsl(218, 78%, 63%)
HSV	hsv(218, 63%, 92%)
CMYK	cmyk(62.8%, 39.7%, 0%, 8.2%)
CIE-LAB	lab(58.99, 10.66, -52.34)
CIE-LCH	lch(58.99, 53.41, 281.51°)
OKLab	oklab(64.97% -0.0247 -0.1489)
OKLCH	oklch(64.97% 0.151 260.6)
XYZ	xyz(28.3014, 27.0139, 81.5487)
Luminance	0.2702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DEA #EAB457

analogous

#57D7EA #578DEA #6A57EA

triadic

#578DEA #EA578D #8DEA57

tetradic

#578DEA #EA57D7 #EAB457 #57EA6A

square

#578DEA #EA57D7 #EAB457 #57EA6A

split-complementary

#578DEA #EA6A57 #D7EA57

monochromatic

#164FB1 #2168E3 #578DEA #8DB2F1 #C4D7F8

Accessibility & contrast

On white

3.28

#578DEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#578DEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DEA

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DEA	#FFFFFF	#000000	##000000
##578DEA	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6495EE

Deuteranopia (green-blind)

#4E88E8

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578dea;
/* rgb */ color: rgb(87, 141, 234);
/* oklch */ color: oklch(65.0% 0.151 260.6);

Tailwind

colors: {
  custom: {
    50: '#93adf1',
    500: '#578dea',
    950: '#000000',
  },
}

SCSS

$custom: #578dea;
$custom-light: #93adf1;
$custom-dark: #000000;

JSON

{
  "hex": "#578dea",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 234
  },
  "hsl": {
    "h": 217.959,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64969,
    "c": 0.15099,
    "h": 260.6
  },
  "luminance": 0.27017
}

Semantic roles & 50–950 ramp

primary

#578DEA

secondary

#E9D5B4

accent

#8E0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578DEA

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

Preview Lab → · Contrast checker → · Palette generator →