#578DEE#578DEE

#578DEE is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.2% C 0.156 H 261.2°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#578DEE
RGB	rgb(87, 141, 238)
HSL	hsl(219, 82%, 64%)
HSV	hsv(219, 63%, 93%)
CMYK	cmyk(63.4%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(59.20, 12.01, -54.21)
CIE-LCH	lch(59.20, 55.53, 282.49°)
OKLab	oklab(65.21% -0.0239 -0.1544)
OKLCH	oklch(65.21% 0.156 261.2)
XYZ	xyz(28.8825, 27.2463, 84.6093)
Luminance	0.2725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DEE #EEB857

analogous

#57D8EE #578DEE #6C57EE

triadic

#578DEE #EE578D #8DEE57

tetradic

#578DEE #EE57D8 #EEB857 #57EE6C

square

#578DEE #EE57D8 #EEB857 #57EE6C

split-complementary

#578DEE #EE6C57 #D8EE57

monochromatic

#134EB8 #1F67E8 #578DEE #8FB3F4 #C6D8F9

Accessibility & contrast

On white

3.26

#578DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#578DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DEE

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DEE	#FFFFFF	#000000	##000000
##578DEE	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F2

Deuteranopia (green-blind)

#4A88EC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578dee;
/* rgb */ color: rgb(87, 141, 238);
/* oklch */ color: oklch(65.2% 0.156 261.2);

Tailwind

colors: {
  custom: {
    50: '#94adf4',
    500: '#578dee',
    950: '#000000',
  },
}

SCSS

$custom: #578dee;
$custom-light: #94adf4;
$custom-dark: #000000;

JSON

{
  "hex": "#578dee",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 218.543,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65205,
    "c": 0.15629,
    "h": 261.2
  },
  "luminance": 0.27249
}

Semantic roles & 50–950 ramp

primary

#578DEE

secondary

#EBD8B6

accent

#9108DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578DEE

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

Preview Lab → · Contrast checker → · Palette generator →