#5183EA#5183EA

#5183EA is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.6% C 0.164 H 263.0°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5183EA
RGB	rgb(81, 131, 234)
HSL	hsl(220, 78%, 62%)
HSV	hsv(220, 65%, 92%)
CMYK	cmyk(65.4%, 44%, 0%, 8.2%)
CIE-LAB	lab(56.01, 15.67, -57.11)
CIE-LCH	lch(56.01, 59.22, 285.34°)
OKLab	oklab(62.6% -0.02 -0.1632)
OKLCH	oklch(62.6% 0.164 263)
XYZ	xyz(26.3557, 23.9199, 81.0540)
Luminance	0.2392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183EA #EAB851

analogous

#51D0EA #5183EA #6C51EA

triadic

#5183EA #EA5183 #83EA51

tetradic

#5183EA #EA51D0 #EAB851 #51EA6C

square

#5183EA #EA51D0 #EAB851 #51EA6C

split-complementary

#5183EA #EA6C51 #D0EA51

monochromatic

#1546AC #1B5CE2 #5183EA #88AAF1 #BED1F7

Accessibility & contrast

On white

3.63

#5183EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#5183EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183EA

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183EA	#FFFFFF	#000000	##000000
##5183EA	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518EEE

Deuteranopia (green-blind)

#3780E8

Tritanopia (blue-blind)

#009BAB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5183ea;
/* rgb */ color: rgb(81, 131, 234);
/* oklch */ color: oklch(62.6% 0.164 263.0);

Tailwind

colors: {
  custom: {
    50: '#91a6f1',
    500: '#5183ea',
    950: '#000000',
  },
}

SCSS

$custom: #5183ea;
$custom-light: #91a6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5183ea",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 234
  },
  "hsl": {
    "h": 220.392,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.62596,
    "c": 0.16441,
    "h": 263
  },
  "luminance": 0.23922
}

Semantic roles & 50–950 ramp

primary

#5183EA

secondary

#E8D5AF

accent

#970BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5183EA

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

Preview Lab → · Contrast checker → · Palette generator →