#578FEA#578FEA

#578FEA is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.4% C 0.149 H 259.7°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#578FEA
RGB	rgb(87, 143, 234)
HSL	hsl(217, 78%, 63%)
HSV	hsv(217, 63%, 92%)
CMYK	cmyk(62.8%, 38.9%, 0%, 8.2%)
CIE-LAB	lab(59.53, 9.47, -51.47)
CIE-LCH	lch(59.53, 52.33, 280.43°)
OKLab	oklab(65.39% -0.0267 -0.1464)
OKLCH	oklch(65.39% 0.149 259.7)
XYZ	xyz(28.5990, 27.6090, 81.6479)
Luminance	0.2761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FEA #EAB257

analogous

#57D8EA #578FEA #6857EA

triadic

#578FEA #EA578F #8FEA57

tetradic

#578FEA #EA57D8 #EAB257 #57EA68

square

#578FEA #EA57D8 #EAB257 #57EA68

split-complementary

#578FEA #EA6857 #D8EA57

monochromatic

#1651B1 #216BE3 #578FEA #8DB3F1 #C4D8F8

Accessibility & contrast

On white

3.22

#578FEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#578FEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FEA

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FEA	#FFFFFF	#000000	##000000
##578FEA	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)

#6797EE

Deuteranopia (green-blind)

#5289E8

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #578fea;
/* rgb */ color: rgb(87, 143, 234);
/* oklch */ color: oklch(65.4% 0.149 259.7);

Tailwind

colors: {
  custom: {
    50: '#93aff1',
    500: '#578fea',
    950: '#000000',
  },
}

SCSS

$custom: #578fea;
$custom-light: #93aff1;
$custom-dark: #000000;

JSON

{
  "hex": "#578fea",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 234
  },
  "hsl": {
    "h": 217.143,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65393,
    "c": 0.1488,
    "h": 259.7
  },
  "luminance": 0.27612
}

Semantic roles & 50–950 ramp

primary

#578FEA

secondary

#E9D5B4

accent

#8B0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578FEA

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

Preview Lab → · Contrast checker → · Palette generator →