#578DEB#578DEB

#578DEB is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.0% C 0.152 H 260.7°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#578DEB
RGB	rgb(87, 141, 235)
HSL	hsl(218, 79%, 63%)
HSV	hsv(218, 63%, 92%)
CMYK	cmyk(63%, 40%, 0%, 7.8%)
CIE-LAB	lab(59.04, 11.00, -52.81)
CIE-LCH	lch(59.04, 53.94, 281.76°)
OKLab	oklab(65.03% -0.0245 -0.1503)
OKLCH	oklch(65.03% 0.152 260.7)
XYZ	xyz(28.4455, 27.0715, 82.3074)
Luminance	0.2707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DEB #EBB557

analogous

#57D7EB #578DEB #6B57EB

triadic

#578DEB #EB578D #8DEB57

tetradic

#578DEB #EB57D7 #EBB557 #57EB6B

square

#578DEB #EB57D7 #EBB557 #57EB6B

split-complementary

#578DEB #EB6B57 #D7EB57

monochromatic

#154FB2 #2068E4 #578DEB #8EB2F2 #C4D7F8

Accessibility & contrast

On white

3.27

#578DEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#578DEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DEB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DEB	#FFFFFF	#000000	##000000
##578DEB	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6396EF

Deuteranopia (green-blind)

#4D88E9

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578deb;
/* rgb */ color: rgb(87, 141, 235);
/* oklch */ color: oklch(65.0% 0.152 260.7);

Tailwind

colors: {
  custom: {
    50: '#93adf2',
    500: '#578deb',
    950: '#000000',
  },
}

SCSS

$custom: #578deb;
$custom-light: #93adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#578deb",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 235
  },
  "hsl": {
    "h": 218.108,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65028,
    "c": 0.15232,
    "h": 260.7
  },
  "luminance": 0.27074
}

Semantic roles & 50–950 ramp

primary

#578DEB

secondary

#E9D6B4

accent

#8F0ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578DEB

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

Preview Lab → · Contrast checker → · Palette generator →