#5186DC#5186DC

#5186DC is a light, vivid blue. Relative luminance 0.240; OKLCH L 62.4% C 0.142 H 259.6°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#5186DC
RGB	rgb(81, 134, 220)
HSL	hsl(217, 67%, 59%)
HSV	hsv(217, 63%, 86%)
CMYK	cmyk(63.2%, 39.1%, 0%, 13.7%)
CIE-LAB	lab(56.05, 9.07, -49.21)
CIE-LCH	lch(56.05, 50.04, 280.44°)
OKLab	oklab(62.38% -0.0256 -0.14)
OKLCH	oklch(62.38% 0.142 259.6)
XYZ	xyz(24.8321, 23.9645, 71.0132)
Luminance	0.2397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186DC #DCA751

analogous

#51CCDC #5186DC #6251DC

triadic

#5186DC #DC5186 #86DC51

tetradic

#5186DC #DC51CC #DCA751 #51DC62

square

#5186DC #DC51CC #DCA751 #51DC62

split-complementary

#5186DC #DC6251 #CCDC51

monochromatic

#1E4B95 #2865C8 #5186DC #84A9E6 #B7CDF0

Accessibility & contrast

On white

3.62

#5186DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#5186DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186DC

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186DC	#FFFFFF	#000000	##000000
##5186DC	1.00	3.62	5.79	5.79
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608DDF

Deuteranopia (green-blind)

#4C80DA

Tritanopia (blue-blind)

#009AA6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5186dc;
/* rgb */ color: rgb(81, 134, 220);
/* oklch */ color: oklch(62.4% 0.142 259.6);

Tailwind

colors: {
  custom: {
    50: '#8ea8e7',
    500: '#5186dc',
    950: '#000000',
  },
}

SCSS

$custom: #5186dc;
$custom-light: #8ea8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5186dc",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 220
  },
  "hsl": {
    "h": 217.122,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.62379,
    "c": 0.1423,
    "h": 259.6
  },
  "luminance": 0.23967
}

Semantic roles & 50–950 ramp

primary

#5186DC

secondary

#E0CBA9

accent

#A83EE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5186DC

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

Preview Lab → · Contrast checker → · Palette generator →