#5183E2#5183E2

#5183E2 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.1% C 0.154 H 262.0°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5183E2
RGB	rgb(81, 131, 226)
HSL	hsl(219, 71%, 60%)
HSV	hsv(219, 64%, 89%)
CMYK	cmyk(64.2%, 42%, 0%, 11.4%)
CIE-LAB	lab(55.55, 12.93, -53.37)
CIE-LCH	lch(55.55, 54.91, 283.62°)
OKLab	oklab(62.1% -0.0214 -0.1522)
OKLCH	oklch(62.1% 0.154 262)
XYZ	xyz(25.2323, 23.4705, 75.1373)
Luminance	0.2347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183E2 #E2B051

analogous

#51CCE2 #5183E2 #6751E2

triadic

#5183E2 #E25183 #83E251

tetradic

#5183E2 #E251CC #E2B051 #51E267

square

#5183E2 #E251CC #E2B051 #51E267

split-complementary

#5183E2 #E26751 #CCE251

monochromatic

#1A489E #2360D3 #5183E2 #85A8EB #BACEF3

Accessibility & contrast

On white

3.69

#5183E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#5183E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183E2

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183E2	#FFFFFF	#000000	##000000
##5183E2	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578CE6

Deuteranopia (green-blind)

#417FE0

Tritanopia (blue-blind)

#0099A7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5183e2;
/* rgb */ color: rgb(81, 131, 226);
/* oklch */ color: oklch(62.1% 0.154 262.0);

Tailwind

colors: {
  custom: {
    50: '#8fa6eb',
    500: '#5183e2',
    950: '#000000',
  },
}

SCSS

$custom: #5183e2;
$custom-light: #8fa6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5183e2",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 226
  },
  "hsl": {
    "h": 219.31,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.621,
    "c": 0.1537,
    "h": 262
  },
  "luminance": 0.23473
}

Semantic roles & 50–950 ramp

primary

#5183E2

secondary

#E3D0AC

accent

#9112D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5183E2

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

Preview Lab → · Contrast checker → · Palette generator →