#578CEA#578CEA

#578CEA is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.152 H 261.0°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#578CEA
RGB	rgb(87, 140, 234)
HSL	hsl(218, 78%, 63%)
HSV	hsv(218, 63%, 92%)
CMYK	cmyk(62.8%, 40.2%, 0%, 8.2%)
CIE-LAB	lab(58.71, 11.26, -52.77)
CIE-LCH	lch(58.71, 53.96, 282.04°)
OKLab	oklab(64.76% -0.0237 -0.1502)
OKLCH	oklch(64.76% 0.152 261)
XYZ	xyz(28.1546, 26.7203, 81.4998)
Luminance	0.2672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578CEA #EAB557

analogous

#57D6EA #578CEA #6B57EA

triadic

#578CEA #EA578C #8CEA57

tetradic

#578CEA #EA57D6 #EAB557 #57EA6B

square

#578CEA #EA57D6 #EAB557 #57EA6B

split-complementary

#578CEA #EA6B57 #D6EA57

monochromatic

#164EB1 #2167E3 #578CEA #8DB1F1 #C4D6F8

Accessibility & contrast

On white

3.31

#578CEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#578CEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578CEA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578CEA	#FFFFFF	#000000	##000000
##578CEA	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6295EE

Deuteranopia (green-blind)

#4C87E8

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578cea;
/* rgb */ color: rgb(87, 140, 234);
/* oklch */ color: oklch(64.8% 0.152 261.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#578cea",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 234
  },
  "hsl": {
    "h": 218.367,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64758,
    "c": 0.1521,
    "h": 261
  },
  "luminance": 0.26723
}

Semantic roles & 50–950 ramp

primary

#578CEA

secondary

#E9D6B4

accent

#900BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578CEA

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

Preview Lab → · Contrast checker → · Palette generator →