#578EF1#578EF1

#578EF1 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.6% C 0.159 H 261.2°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#578EF1
RGB	rgb(87, 142, 241)
HSL	hsl(219, 85%, 64%)
HSV	hsv(219, 64%, 95%)
CMYK	cmyk(63.9%, 41.1%, 0%, 5.5%)
CIE-LAB	lab(59.64, 12.42, -55.18)
CIE-LCH	lch(59.64, 56.56, 282.69°)
OKLab	oklab(65.59% -0.0243 -0.1573)
OKLCH	oklch(65.59% 0.159 261.2)
XYZ	xyz(29.4751, 27.7203, 86.9993)
Luminance	0.2772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EF1 #F1BA57

analogous

#57DBF1 #578EF1 #6D57F1

triadic

#578EF1 #F1578E #8EF157

tetradic

#578EF1 #F157DB #F1BA57 #57F16D

square

#578EF1 #F157DB #F1BA57 #57F16D

split-complementary

#578EF1 #F16D57 #DBF157

monochromatic

#104EBE #1F68EC #578EF1 #8FB4F6 #C8DAFA

Accessibility & contrast

On white

3.21

#578EF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#578EF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EF1

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EF1	#FFFFFF	#000000	##000000
##578EF1	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6197F5

Deuteranopia (green-blind)

#4989EF

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #578ef1;
/* rgb */ color: rgb(87, 142, 241);
/* oklch */ color: oklch(65.6% 0.159 261.2);

Tailwind

colors: {
  custom: {
    50: '#94aef6',
    500: '#578ef1',
    950: '#000000',
  },
}

SCSS

$custom: #578ef1;
$custom-light: #94aef6;
$custom-dark: #000000;

JSON

{
  "hex": "#578ef1",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 241
  },
  "hsl": {
    "h": 218.571,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.65593,
    "c": 0.15914,
    "h": 261.2
  },
  "luminance": 0.27723
}

Semantic roles & 50–950 ramp

primary

#578EF1

secondary

#EDDAB7

accent

#9204E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578EF1

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

Preview Lab → · Contrast checker → · Palette generator →