#578AE9#578AE9

#578AE9 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.3% C 0.153 H 261.8°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#578AE9
RGB	rgb(87, 138, 233)
HSL	hsl(219, 77%, 63%)
HSV	hsv(219, 63%, 91%)
CMYK	cmyk(62.7%, 40.8%, 0%, 8.6%)
CIE-LAB	lab(58.12, 12.12, -53.17)
CIE-LCH	lch(58.12, 54.53, 282.84°)
OKLab	oklab(64.28% -0.0219 -0.1514)
OKLCH	oklch(64.28% 0.153 261.8)
XYZ	xyz(27.7218, 26.0838, 80.6488)
Luminance	0.2609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578AE9 #E9B657

analogous

#57D3E9 #578AE9 #6D57E9

triadic

#578AE9 #E9578A #8AE957

tetradic

#578AE9 #E957D3 #E9B657 #57E96D

square

#578AE9 #E957D3 #E9B657 #57E96D

split-complementary

#578AE9 #E96D57 #D3E957

monochromatic

#174CAF #2164E2 #578AE9 #8DB0F0 #C3D5F7

Accessibility & contrast

On white

3.38

#578AE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#578AE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578AE9

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578AE9	#FFFFFF	#000000	##000000
##578AE9	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F93ED

Deuteranopia (green-blind)

#4A85E7

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #578ae9;
/* rgb */ color: rgb(87, 138, 233);
/* oklch */ color: oklch(64.3% 0.153 261.8);

Tailwind

colors: {
  custom: {
    50: '#93abf0',
    500: '#578ae9',
    950: '#000000',
  },
}

SCSS

$custom: #578ae9;
$custom-light: #93abf0;
$custom-dark: #000000;

JSON

{
  "hex": "#578ae9",
  "rgb": {
    "r": 87,
    "g": 138,
    "b": 233
  },
  "hsl": {
    "h": 219.041,
    "s": 76.842,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64278,
    "c": 0.153,
    "h": 261.8
  },
  "luminance": 0.26086
}

Semantic roles & 50–950 ramp

primary

#578AE9

secondary

#E8D6B3

accent

#920CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578AE9

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

Preview Lab → · Contrast checker → · Palette generator →