#5186FD#5186FD

#5186FD is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.4% C 0.186 H 263.9°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#5186FD
RGB	rgb(81, 134, 253)
HSL	hsl(222, 98%, 65%)
HSV	hsv(222, 68%, 99%)
CMYK	cmyk(68%, 47%, 0%, 0.8%)
CIE-LAB	lab(57.93, 20.40, -64.54)
CIE-LCH	lch(57.93, 67.69, 287.54°)
OKLab	oklab(64.43% -0.0198 -0.185)
OKLCH	oklch(64.43% 0.186 263.9)
XYZ	xyz(29.6418, 25.8884, 96.3443)
Luminance	0.2589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186FD #FDC851

analogous

#51DCFD #5186FD #7251FD

triadic

#5186FD #FD5186 #86FD51

tetradic

#5186FD #FD51DC #FDC851 #51FD72

square

#5186FD #FD51DC #FDC851 #51FD72

split-complementary

#5186FD #FD7251 #DCFD51

monochromatic

#0242D1 #145CFC #5186FD #8EB0FE #CADAFE

Accessibility & contrast

On white

3.40

#5186FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#5186FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186FD

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186FD	#FFFFFF	#000000	##000000
##5186FD	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4794FF

Deuteranopia (green-blind)

#1C84FB

Tritanopia (blue-blind)

#00A2B5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5186fd;
/* rgb */ color: rgb(81, 134, 253);
/* oklch */ color: oklch(64.4% 0.186 263.9);

Tailwind

colors: {
  custom: {
    50: '#94a8ff',
    500: '#5186fd',
    950: '#000000',
  },
}

SCSS

$custom: #5186fd;
$custom-light: #94a8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5186fd",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 253
  },
  "hsl": {
    "h": 221.512,
    "s": 97.727,
    "l": 65.49
  },
  "oklch": {
    "l": 0.64434,
    "c": 0.18606,
    "h": 263.9
  },
  "luminance": 0.25891
}

Semantic roles & 50–950 ramp

primary

#5186FD

secondary

#F2E0B8

accent

#9F00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F0F18

muted

#7E7F86

Preview Lab

Preview with #5186FD

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

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