#5783E4#5783E4

#5783E4 is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.5% C 0.154 H 264.1°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5783E4
RGB	rgb(87, 131, 228)
HSL	hsl(221, 72%, 62%)
HSV	hsv(221, 62%, 89%)
CMYK	cmyk(61.8%, 42.5%, 0%, 10.6%)
CIE-LAB	lab(55.95, 14.66, -53.85)
CIE-LCH	lch(55.95, 55.80, 285.23°)
OKLab	oklab(62.51% -0.0159 -0.1535)
OKLCH	oklch(62.51% 0.154 264.1)
XYZ	xyz(26.0455, 23.8579, 76.6162)
Luminance	0.2386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783E4 #E4B857

analogous

#57C9E4 #5783E4 #7257E4

triadic

#5783E4 #E45783 #83E457

tetradic

#5783E4 #E457C9 #E4B857 #57E472

square

#5783E4 #E457C9 #E4B857 #57E472

split-complementary

#5783E4 #E47257 #C9E457

monochromatic

#1B46A6 #235CDB #5783E4 #8CAAEC #C0D1F5

Accessibility & contrast

On white

3.64

#5783E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#5783E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783E4

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783E4	#FFFFFF	#000000	##000000
##5783E4	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578DE8

Deuteranopia (green-blind)

#4180E2

Tritanopia (blue-blind)

#0099A8

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5783e4;
/* rgb */ color: rgb(87, 131, 228);
/* oklch */ color: oklch(62.5% 0.154 264.1);

Tailwind

colors: {
  custom: {
    50: '#92a6ed',
    500: '#5783e4',
    950: '#000000',
  },
}

SCSS

$custom: #5783e4;
$custom-light: #92a6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5783e4",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 228
  },
  "hsl": {
    "h": 221.277,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.62514,
    "c": 0.15432,
    "h": 264.1
  },
  "luminance": 0.2386
}

Semantic roles & 50–950 ramp

primary

#5783E4

secondary

#E6D5B1

accent

#9711D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5783E4

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

Preview Lab → · Contrast checker → · Palette generator →