#5183E1#5183E1

#5183E1 is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.0% C 0.152 H 261.8°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#5183E1
RGB	rgb(81, 131, 225)
HSL	hsl(219, 71%, 60%)
HSV	hsv(219, 64%, 88%)
CMYK	cmyk(64%, 41.8%, 0%, 11.8%)
CIE-LAB	lab(55.50, 12.59, -52.90)
CIE-LCH	lch(55.50, 54.37, 283.38°)
OKLab	oklab(62.04% -0.0216 -0.1508)
OKLCH	oklch(62.04% 0.152 261.8)
XYZ	xyz(25.0955, 23.4158, 74.4167)
Luminance	0.2342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183E1 #E1AF51

analogous

#51CBE1 #5183E1 #6751E1

triadic

#5183E1 #E15183 #83E151

tetradic

#5183E1 #E151CB #E1AF51 #51E167

square

#5183E1 #E151CB #E1AF51 #51E167

split-complementary

#5183E1 #E16751 #CBE151

monochromatic

#1B489D #2460D1 #5183E1 #85A8EA #B9CDF3

Accessibility & contrast

On white

3.69

#5183E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#5183E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183E1

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183E1	#FFFFFF	#000000	##000000
##5183E1	1.00	3.69	5.68	5.68
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588CE5

Deuteranopia (green-blind)

#427FDF

Tritanopia (blue-blind)

#0098A7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5183e1;
/* rgb */ color: rgb(81, 131, 225);
/* oklch */ color: oklch(62.0% 0.152 261.8);

Tailwind

colors: {
  custom: {
    50: '#8fa6eb',
    500: '#5183e1',
    950: '#000000',
  },
}

SCSS

$custom: #5183e1;
$custom-light: #8fa6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5183e1",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 225
  },
  "hsl": {
    "h": 219.167,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.62039,
    "c": 0.15236,
    "h": 261.8
  },
  "luminance": 0.23418
}

Semantic roles & 50–950 ramp

primary

#5183E1

secondary

#E3CFAB

accent

#AF3AED

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5183E1

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

Preview Lab → · Contrast checker → · Palette generator →