#5186E3#5186E3

#5186E3 is a light, vivid blue. Relative luminance 0.243; OKLCH L 62.8% C 0.152 H 260.8°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5186E3
RGB	rgb(81, 134, 227)
HSL	hsl(218, 72%, 60%)
HSV	hsv(218, 64%, 89%)
CMYK	cmyk(64.3%, 41%, 0%, 11%)
CIE-LAB	lab(56.43, 11.45, -52.53)
CIE-LCH	lch(56.43, 53.77, 282.30°)
OKLab	oklab(62.79% -0.0241 -0.1497)
OKLCH	oklch(62.79% 0.152 260.8)
XYZ	xyz(25.7787, 24.3431, 75.9983)
Luminance	0.2435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186E3 #E3AE51

analogous

#51CFE3 #5186E3 #6551E3

triadic

#5186E3 #E35186 #86E351

tetradic

#5186E3 #E351CF #E3AE51 #51E365

square

#5186E3 #E351CF #E3AE51 #51E365

split-complementary

#5186E3 #E36551 #CFE351

monochromatic

#1A4AA0 #2263D5 #5186E3 #86ABEB #BACFF4

Accessibility & contrast

On white

3.58

#5186E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#5186E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186E3

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186E3	#FFFFFF	#000000	##000000
##5186E3	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8FE7

Deuteranopia (green-blind)

#4581E1

Tritanopia (blue-blind)

#009BA9

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5186e3;
/* rgb */ color: rgb(81, 134, 227);
/* oklch */ color: oklch(62.8% 0.152 260.8);

Tailwind

colors: {
  custom: {
    50: '#8fa8ec',
    500: '#5186e3',
    950: '#000000',
  },
}

SCSS

$custom: #5186e3;
$custom-light: #8fa8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5186e3",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 227
  },
  "hsl": {
    "h": 218.219,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.62794,
    "c": 0.15164,
    "h": 260.8
  },
  "luminance": 0.24346
}

Semantic roles & 50–950 ramp

primary

#5186E3

secondary

#E4D0AC

accent

#8D11D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5186E3

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

Preview Lab → · Contrast checker → · Palette generator →