#5186FC#5186FC

#5186FC is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.4% C 0.185 H 263.8°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#5186FC
RGB	rgb(81, 134, 252)
HSL	hsl(221, 97%, 65%)
HSV	hsv(221, 68%, 99%)
CMYK	cmyk(67.9%, 46.8%, 0%, 1.2%)
CIE-LAB	lab(57.87, 20.06, -64.09)
CIE-LCH	lch(57.87, 67.15, 287.38°)
OKLab	oklab(64.37% -0.0199 -0.1837)
OKLCH	oklch(64.37% 0.185 263.8)
XYZ	xyz(29.4829, 25.8248, 95.5075)
Luminance	0.2583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186FC #FCC751

analogous

#51DBFC #5186FC #7251FC

triadic

#5186FC #FC5186 #86FC51

tetradic

#5186FC #FC51DB #FCC751 #51FC72

square

#5186FC #FC51DB #FCC751 #51FC72

split-complementary

#5186FC #FC7251 #DBFC51

monochromatic

#0443CF #155CFB #5186FC #8DB0FD #C9DAFE

Accessibility & contrast

On white

3.41

#5186FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#5186FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186FC

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186FC	#FFFFFF	#000000	##000000
##5186FC	1.00	3.41	6.17	6.17
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4893FF

Deuteranopia (green-blind)

#1F84FA

Tritanopia (blue-blind)

#00A2B5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5186fc;
/* rgb */ color: rgb(81, 134, 252);
/* oklch */ color: oklch(64.4% 0.185 263.8);

Tailwind

colors: {
  custom: {
    50: '#94a8fe',
    500: '#5186fc',
    950: '#000000',
  },
}

SCSS

$custom: #5186fc;
$custom-light: #94a8fe;
$custom-dark: #000000;

JSON

{
  "hex": "#5186fc",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 252
  },
  "hsl": {
    "h": 221.404,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.64368,
    "c": 0.18474,
    "h": 263.8
  },
  "luminance": 0.25828
}

Semantic roles & 50–950 ramp

primary

#5186FC

secondary

#F1DFB8

accent

#9E00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F0F18

muted

#7E7F86

Preview Lab

Preview with #5186FC

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

Preview Lab → · Contrast checker → · Palette generator →