#5783F0#5783F0

#5783F0 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.3% C 0.170 H 265.3°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#5783F0
RGB	rgb(87, 131, 240)
HSL	hsl(223, 84%, 64%)
HSV	hsv(223, 64%, 94%)
CMYK	cmyk(63.7%, 45.4%, 0%, 5.9%)
CIE-LAB	lab(56.63, 18.71, -59.43)
CIE-LCH	lch(56.63, 62.30, 287.47°)
OKLab	oklab(63.26% -0.0139 -0.1699)
OKLCH	oklch(63.26% 0.17 265.3)
XYZ	xyz(27.7695, 24.5475, 85.6959)
Luminance	0.2455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783F0 #F0C457

analogous

#57D0F0 #5783F0 #7857F0

triadic

#5783F0 #F05783 #83F057

tetradic

#5783F0 #F057D0 #F0C457 #57F078

square

#5783F0 #F057D0 #F0C457 #57F078

split-complementary

#5783F0 #F07857 #D0F057

monochromatic

#1142BC #1F5AEB #5783F0 #8FACF5 #C7D6FA

Accessibility & contrast

On white

3.55

#5783F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#5783F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783F0

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783F0	#FFFFFF	#000000	##000000
##5783F0	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8FF4

Deuteranopia (green-blind)

#3281EE

Tritanopia (blue-blind)

#009CAE

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5783f0;
/* rgb */ color: rgb(87, 131, 240);
/* oklch */ color: oklch(63.3% 0.170 265.3);

Tailwind

colors: {
  custom: {
    50: '#94a6f5',
    500: '#5783f0',
    950: '#000000',
  },
}

SCSS

$custom: #5783f0;
$custom-light: #94a6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5783f0",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 240
  },
  "hsl": {
    "h": 222.745,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.63263,
    "c": 0.17047,
    "h": 265.3
  },
  "luminance": 0.2455
}

Semantic roles & 50–950 ramp

primary

#5783F0

secondary

#ECDDB7

accent

#A105E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5783F0

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

Preview Lab → · Contrast checker → · Palette generator →