#5186F1#5186F1

#5186F1 is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.7% C 0.170 H 262.7°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#5186F1
RGB	rgb(81, 134, 241)
HSL	hsl(220, 85%, 63%)
HSV	hsv(220, 66%, 95%)
CMYK	cmyk(66.4%, 44.4%, 0%, 5.5%)
CIE-LAB	lab(57.22, 16.26, -59.06)
CIE-LCH	lch(57.22, 61.25, 285.39°)
OKLab	oklab(63.66% -0.0216 -0.1689)
OKLCH	oklch(63.66% 0.17 262.7)
XYZ	xyz(27.7900, 25.1477, 86.5915)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186F1 #F1BC51

analogous

#51D6F1 #5186F1 #6C51F1

triadic

#5186F1 #F15186 #86F151

tetradic

#5186F1 #F151D6 #F1BC51 #51F16C

square

#5186F1 #F151D6 #F1BC51 #51F16C

split-complementary

#5186F1 #F16C51 #D6F151

monochromatic

#0F47B9 #185FEC #5186F1 #8AADF6 #C2D5FA

Accessibility & contrast

On white

3.48

#5186F1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#5186F1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186F1

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186F1	#FFFFFF	#000000	##000000
##5186F1	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5191F5

Deuteranopia (green-blind)

#3482EF

Tritanopia (blue-blind)

#009FB0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #5186f1;
/* rgb */ color: rgb(81, 134, 241);
/* oklch */ color: oklch(63.7% 0.170 262.7);

Tailwind

colors: {
  custom: {
    50: '#92a8f6',
    500: '#5186f1',
    950: '#000000',
  },
}

SCSS

$custom: #5186f1;
$custom-light: #92a8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#5186f1",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 241
  },
  "hsl": {
    "h": 220.125,
    "s": 85.106,
    "l": 63.137
  },
  "oklch": {
    "l": 0.63659,
    "c": 0.17025,
    "h": 262.7
  },
  "luminance": 0.2515
}

Semantic roles & 50–950 ramp

primary

#5186F1

secondary

#ECD9B2

accent

#9804E2

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5186F1

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

Preview Lab → · Contrast checker → · Palette generator →