#578EE4#578EE4

#578EE4 is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.8% C 0.142 H 259.0°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#578EE4
RGB	rgb(87, 142, 228)
HSL	hsl(217, 72%, 62%)
HSV	hsv(217, 62%, 89%)
CMYK	cmyk(61.8%, 37.7%, 0%, 10.6%)
CIE-LAB	lab(58.95, 8.06, -49.07)
CIE-LCH	lch(58.95, 49.73, 279.33°)
OKLab	oklab(64.84% -0.027 -0.1394)
OKLCH	oklch(64.84% 0.142 259)
XYZ	xyz(27.6021, 26.9711, 77.1351)
Luminance	0.2697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EE4 #E4AD57

analogous

#57D4E4 #578EE4 #6757E4

triadic

#578EE4 #E4578E #8EE457

tetradic

#578EE4 #E457D4 #E4AD57 #57E467

square

#578EE4 #E457D4 #E4AD57 #57E467

split-complementary

#578EE4 #E46757 #D4E457

monochromatic

#1B51A6 #236BDB #578EE4 #8CB1EC #C0D5F5

Accessibility & contrast

On white

3.28

#578EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#578EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EE4

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EE4	#FFFFFF	#000000	##000000
##578EE4	1.00	3.28	6.39	6.39
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6995E7

Deuteranopia (green-blind)

#5588E2

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578ee4;
/* rgb */ color: rgb(87, 142, 228);
/* oklch */ color: oklch(64.8% 0.142 259.0);

Tailwind

colors: {
  custom: {
    50: '#92aeed',
    500: '#578ee4',
    950: '#000000',
  },
}

SCSS

$custom: #578ee4;
$custom-light: #92aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#578ee4",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 228
  },
  "hsl": {
    "h": 216.596,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64836,
    "c": 0.14196,
    "h": 259
  },
  "luminance": 0.26974
}

Semantic roles & 50–950 ramp

primary

#578EE4

secondary

#E6D1B1

accent

#8811D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578EE4

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

Preview Lab → · Contrast checker → · Palette generator →