#5783EB#5783EB

#5783EB is a light, vivid blue. Relative luminance 0.243; OKLCH L 62.9% C 0.164 H 264.8°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#5783EB
RGB	rgb(87, 131, 235)
HSL	hsl(222, 79%, 63%)
HSV	hsv(222, 63%, 92%)
CMYK	cmyk(63%, 44.3%, 0%, 7.8%)
CIE-LAB	lab(56.34, 17.02, -57.12)
CIE-LCH	lch(56.34, 59.60, 286.59°)
OKLab	oklab(62.95% -0.0147 -0.1631)
OKLCH	oklch(62.95% 0.164 264.8)
XYZ	xyz(27.0370, 24.2545, 81.8379)
Luminance	0.2426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5783EB #EBBF57

analogous

#57CDEB #5783EB #7557EB

triadic

#5783EB #EB5783 #83EB57

tetradic

#5783EB #EB57CD #EBBF57 #57EB75

square

#5783EB #EB57CD #EBBF57 #57EB75

split-complementary

#5783EB #EB7557 #CDEB57

monochromatic

#1544B2 #205BE4 #5783EB #8EABF2 #C4D4F8

Accessibility & contrast

On white

3.59

#5783EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#5783EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5783EB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5783EB	#FFFFFF	#000000	##000000
##5783EB	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518EEF

Deuteranopia (green-blind)

#3981E9

Tritanopia (blue-blind)

#009BAB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5783eb;
/* rgb */ color: rgb(87, 131, 235);
/* oklch */ color: oklch(62.9% 0.164 264.8);

Tailwind

colors: {
  custom: {
    50: '#94a6f2',
    500: '#5783eb',
    950: '#000000',
  },
}

SCSS

$custom: #5783eb;
$custom-light: #94a6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5783eb",
  "rgb": {
    "r": 87,
    "g": 131,
    "b": 235
  },
  "hsl": {
    "h": 222.162,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62947,
    "c": 0.16376,
    "h": 264.8
  },
  "luminance": 0.24257
}

Semantic roles & 50–950 ramp

primary

#5783EB

secondary

#E9DAB4

accent

#9D0ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5783EB

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

Preview Lab → · Contrast checker → · Palette generator →