#578DE9#578DE9

#578DE9 is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.9% C 0.150 H 260.4°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#578DE9
RGB	rgb(87, 141, 233)
HSL	hsl(218, 77%, 63%)
HSV	hsv(218, 63%, 91%)
CMYK	cmyk(62.7%, 39.5%, 0%, 8.6%)
CIE-LAB	lab(58.93, 10.33, -51.87)
CIE-LCH	lch(58.93, 52.89, 281.26°)
OKLab	oklab(64.91% -0.0249 -0.1476)
OKLCH	oklch(64.91% 0.15 260.4)
XYZ	xyz(28.1581, 26.9566, 80.7942)
Luminance	0.2696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DE9 #E9B357

analogous

#57D6E9 #578DE9 #6A57E9

triadic

#578DE9 #E9578D #8DE957

tetradic

#578DE9 #E957D6 #E9B357 #57E96A

square

#578DE9 #E957D6 #E9B357 #57E96A

split-complementary

#578DE9 #E96A57 #D6E957

monochromatic

#174FAF #2168E2 #578DE9 #8DB2F0 #C3D6F7

Accessibility & contrast

On white

3.29

#578DE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#578DE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DE9

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DE9	#FFFFFF	#000000	##000000
##578DE9	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6495ED

Deuteranopia (green-blind)

#4F88E7

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578de9;
/* rgb */ color: rgb(87, 141, 233);
/* oklch */ color: oklch(64.9% 0.150 260.4);

Tailwind

colors: {
  custom: {
    50: '#93adf0',
    500: '#578de9',
    950: '#000000',
  },
}

SCSS

$custom: #578de9;
$custom-light: #93adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#578de9",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 233
  },
  "hsl": {
    "h": 217.808,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64911,
    "c": 0.14966,
    "h": 260.4
  },
  "luminance": 0.26959
}

Semantic roles & 50–950 ramp

primary

#578DE9

secondary

#E8D5B3

accent

#8D0CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578DE9

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

Preview Lab → · Contrast checker → · Palette generator →