#5783DD#5783DD

#5783DD is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.1% C 0.145 H 263.2°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#5783DD
RGB	rgb(87, 131, 221)
HSL	hsl(220, 66%, 60%)
HSV	hsv(220, 61%, 87%)
CMYK	cmyk(60.6%, 40.7%, 0%, 13.3%)
CIE-LAB	lab(55.56, 12.31, -50.54)
CIE-LCH	lch(55.56, 52.02, 283.69°)
OKLab	oklab(62.09% -0.0172 -0.1438)
OKLCH	oklch(62.09% 0.145 263.2)
XYZ	xyz(25.0934, 23.4771, 71.6017)
Luminance	0.2348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783DD #DDB157

analogous

#57C6DD #5783DD #6E57DD

triadic

#5783DD #DD5783 #83DD57

tetradic

#5783DD #DD57C6 #DDB157 #57DD6E

square

#5783DD #DD57C6 #DDB157 #57DD6E

split-complementary

#5783DD #DD6E57 #C6DD57

monochromatic

#1F489A #2A5FCD #5783DD #8AA9E7 #BDCEF2

Accessibility & contrast

On white

3.69

#5783DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#5783DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783DD

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783DD	#FFFFFF	#000000	##000000
##5783DD	1.00	3.69	5.70	5.70
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8CE1

Deuteranopia (green-blind)

#487FDB

Tritanopia (blue-blind)

#0097A5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5783dd;
/* rgb */ color: rgb(87, 131, 221);
/* oklch */ color: oklch(62.1% 0.145 263.2);

Tailwind

colors: {
  custom: {
    50: '#91a6e8',
    500: '#5783dd',
    950: '#000000',
  },
}

SCSS

$custom: #5783dd;
$custom-light: #91a6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5783dd",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 221
  },
  "hsl": {
    "h": 220.299,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.62092,
    "c": 0.14483,
    "h": 263.2
  },
  "luminance": 0.23479
}

Semantic roles & 50–950 ramp

primary

#5783DD

secondary

#E1D1AE

accent

#9217CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5783DD

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

Preview Lab → · Contrast checker → · Palette generator →