#578EF0#578EF0

#578EF0 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.158 H 261.1°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#578EF0
RGB	rgb(87, 142, 240)
HSL	hsl(218, 84%, 64%)
HSV	hsv(218, 64%, 94%)
CMYK	cmyk(63.7%, 40.8%, 0%, 5.9%)
CIE-LAB	lab(59.58, 12.08, -54.72)
CIE-LCH	lch(59.58, 56.03, 282.45°)
OKLab	oklab(65.53% -0.0245 -0.1559)
OKLCH	oklch(65.53% 0.158 261.1)
XYZ	xyz(29.3261, 27.6607, 86.2148)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EF0 #F0B957

analogous

#57DBF0 #578EF0 #6D57F0

triadic

#578EF0 #F0578E #8EF057

tetradic

#578EF0 #F057DB #F0B957 #57F06D

square

#578EF0 #F057DB #F0B957 #57F06D

split-complementary

#578EF0 #F06D57 #DBF057

monochromatic

#114EBC #1F68EB #578EF0 #8FB4F5 #C7DAFA

Accessibility & contrast

On white

3.21

#578EF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#578EF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EF0

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EF0	#FFFFFF	#000000	##000000
##578EF0	1.00	3.21	6.53	6.53
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6197F4

Deuteranopia (green-blind)

#4A89EE

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #578ef0;
/* rgb */ color: rgb(87, 142, 240);
/* oklch */ color: oklch(65.5% 0.158 261.1);

Tailwind

colors: {
  custom: {
    50: '#94aef5',
    500: '#578ef0',
    950: '#000000',
  },
}

SCSS

$custom: #578ef0;
$custom-light: #94aef5;
$custom-dark: #000000;

JSON

{
  "hex": "#578ef0",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 240
  },
  "hsl": {
    "h": 218.431,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65533,
    "c": 0.15782,
    "h": 261.1
  },
  "luminance": 0.27664
}

Semantic roles & 50–950 ramp

primary

#578EF0

secondary

#ECD9B7

accent

#9105E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578EF0

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

Preview Lab → · Contrast checker → · Palette generator →