#5783EC#5783EC

#5783EC is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.0% C 0.165 H 264.9°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#5783EC
RGB	rgb(87, 131, 236)
HSL	hsl(222, 80%, 63%)
HSV	hsv(222, 63%, 93%)
CMYK	cmyk(63.1%, 44.5%, 0%, 7.5%)
CIE-LAB	lab(56.40, 17.35, -57.58)
CIE-LCH	lch(56.40, 60.14, 286.77°)
OKLab	oklab(63.01% -0.0145 -0.1645)
OKLCH	oklch(63.01% 0.165 264.9)
XYZ	xyz(27.1819, 24.3125, 82.6009)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783EC #ECC057

analogous

#57CDEC #5783EC #7557EC

triadic

#5783EC #EC5783 #83EC57

tetradic

#5783EC #EC57CD #ECC057 #57EC75

square

#5783EC #EC57CD #ECC057 #57EC75

split-complementary

#5783EC #EC7557 #CDEC57

monochromatic

#1444B4 #205AE6 #5783EC #8EACF2 #C5D4F8

Accessibility & contrast

On white

3.58

#5783EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#5783EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783EC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783EC	#FFFFFF	#000000	##000000
##5783EC	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518FF0

Deuteranopia (green-blind)

#3881EA

Tritanopia (blue-blind)

#009BAC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5783ec;
/* rgb */ color: rgb(87, 131, 236);
/* oklch */ color: oklch(63.0% 0.165 264.9);

Tailwind

colors: {
  custom: {
    50: '#94a6f3',
    500: '#5783ec',
    950: '#000000',
  },
}

SCSS

$custom: #5783ec;
$custom-light: #94a6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5783ec",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 236
  },
  "hsl": {
    "h": 222.282,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.6301,
    "c": 0.1651,
    "h": 264.9
  },
  "luminance": 0.24315
}

Semantic roles & 50–950 ramp

primary

#5783EC

secondary

#EADAB5

accent

#9E0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5783EC

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

Preview Lab → · Contrast checker → · Palette generator →