#5783DF#5783DF

#5783DF is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.2% C 0.148 H 263.4°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#5783DF
RGB	rgb(87, 131, 223)
HSL	hsl(221, 68%, 61%)
HSV	hsv(221, 61%, 87%)
CMYK	cmyk(61%, 41.3%, 0%, 12.5%)
CIE-LAB	lab(55.67, 12.98, -51.49)
CIE-LCH	lch(55.67, 53.10, 284.15°)
OKLab	oklab(62.21% -0.0168 -0.1466)
OKLCH	oklch(62.21% 0.148 263.4)
XYZ	xyz(25.3614, 23.5843, 73.0134)
Luminance	0.2359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783DF #DFB357

analogous

#57C7DF #5783DF #6F57DF

triadic

#5783DF #DF5783 #83DF57

tetradic

#5783DF #DF57C7 #DFB357 #57DF6F

square

#5783DF #DF57C7 #DFB357 #57DF6F

split-complementary

#5783DF #DF6F57 #C7DF57

monochromatic

#1E479E #285FD1 #5783DF #8AA9E9 #BECFF3

Accessibility & contrast

On white

3.67

#5783DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#5783DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783DF

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783DF	#FFFFFF	#000000	##000000
##5783DF	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8CE3

Deuteranopia (green-blind)

#4780DD

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5783df;
/* rgb */ color: rgb(87, 131, 223);
/* oklch */ color: oklch(62.2% 0.148 263.4);

Tailwind

colors: {
  custom: {
    50: '#92a6e9',
    500: '#5783df',
    950: '#000000',
  },
}

SCSS

$custom: #5783df;
$custom-light: #92a6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5783df",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 223
  },
  "hsl": {
    "h": 220.588,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.62212,
    "c": 0.14754,
    "h": 263.4
  },
  "luminance": 0.23587
}

Semantic roles & 50–950 ramp

primary

#5783DF

secondary

#E3D2AF

accent

#9416D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5783DF

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

Preview Lab → · Contrast checker → · Palette generator →