#578BFD#578BFD

#578BFD is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.7% C 0.178 H 263.8°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#578BFD
RGB	rgb(87, 139, 253)
HSL	hsl(221, 98%, 67%)
HSV	hsv(221, 66%, 99%)
CMYK	cmyk(65.6%, 45.1%, 0%, 0.8%)
CIE-LAB	lab(59.51, 18.29, -62.00)
CIE-LCH	lch(59.51, 64.64, 286.44°)
OKLab	oklab(65.71% -0.0194 -0.1773)
OKLCH	oklch(65.71% 0.178 263.8)
XYZ	xyz(30.8865, 27.5803, 96.6053)
Luminance	0.2758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BFD #FDC957

analogous

#57DEFD #578BFD #7657FD

triadic

#578BFD #FD578B #8BFD57

tetradic

#578BFD #FD57DE #FDC957 #57FD76

square

#578BFD #FD57DE #FDC957 #57FD76

split-complementary

#578BFD #FD7657 #DEFD57

monochromatic

#0345D7 #1B61FC #578BFD #93B5FE #D0DFFE

Accessibility & contrast

On white

3.22

#578BFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#578BFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BFD

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BFD	#FFFFFF	#000000	##000000
##578BFD	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5297FF

Deuteranopia (green-blind)

#3388FB

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #578bfd;
/* rgb */ color: rgb(87, 139, 253);
/* oklch */ color: oklch(65.7% 0.178 263.8);

Tailwind

colors: {
  custom: {
    50: '#96acff',
    500: '#578bfd',
    950: '#000000',
  },
}

SCSS

$custom: #578bfd;
$custom-light: #96acff;
$custom-dark: #000000;

JSON

{
  "hex": "#578bfd",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 253
  },
  "hsl": {
    "h": 221.205,
    "s": 97.647,
    "l": 66.667
  },
  "oklch": {
    "l": 0.65713,
    "c": 0.17839,
    "h": 263.8
  },
  "luminance": 0.27583
}

Semantic roles & 50–950 ramp

primary

#578BFD

secondary

#F3E2BD

accent

#9E00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #578BFD

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

Preview Lab → · Contrast checker → · Palette generator →