#578EEE#578EEE

#578EEE is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.4% C 0.155 H 260.8°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#578EEE
RGB	rgb(87, 142, 238)
HSL	hsl(218, 82%, 64%)
HSV	hsv(218, 63%, 93%)
CMYK	cmyk(63.4%, 40.3%, 0%, 6.7%)
CIE-LAB	lab(59.47, 11.41, -53.78)
CIE-LCH	lch(59.47, 54.98, 281.98°)
OKLab	oklab(65.42% -0.0249 -0.1532)
OKLCH	oklch(65.42% 0.155 260.8)
XYZ	xyz(29.0306, 27.5425, 84.6587)
Luminance	0.2754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578EEE #EEB757

analogous

#57D9EE #578EEE #6B57EE

triadic

#578EEE #EE578E #8EEE57

tetradic

#578EEE #EE57D9 #EEB757 #57EE6B

square

#578EEE #EE57D9 #EEB757 #57EE6B

split-complementary

#578EEE #EE6B57 #D9EE57

monochromatic

#134FB8 #1F69E8 #578EEE #8FB3F4 #C6D9F9

Accessibility & contrast

On white

3.23

#578EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#578EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578EEE

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578EEE	#FFFFFF	#000000	##000000
##578EEE	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F2

Deuteranopia (green-blind)

#4C89EC

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #578eee;
/* rgb */ color: rgb(87, 142, 238);
/* oklch */ color: oklch(65.4% 0.155 260.8);

Tailwind

colors: {
  custom: {
    50: '#94aef4',
    500: '#578eee',
    950: '#000000',
  },
}

SCSS

$custom: #578eee;
$custom-light: #94aef4;
$custom-dark: #000000;

JSON

{
  "hex": "#578eee",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 238
  },
  "hsl": {
    "h": 218.146,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65415,
    "c": 0.15518,
    "h": 260.8
  },
  "luminance": 0.27545
}

Semantic roles & 50–950 ramp

primary

#578EEE

secondary

#EBD8B6

accent

#9008DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #578EEE

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

Preview Lab → · Contrast checker → · Palette generator →