#518BF2#518BF2

#518BF2 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.8% C 0.166 H 261.0°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#518BF2
RGB	rgb(81, 139, 242)
HSL	hsl(218, 86%, 63%)
HSV	hsv(218, 67%, 95%)
CMYK	cmyk(66.5%, 42.6%, 0%, 5.1%)
CIE-LAB	lab(58.62, 13.58, -57.36)
CIE-LCH	lch(58.62, 58.95, 283.32°)
OKLab	oklab(64.76% -0.026 -0.1638)
OKLCH	oklch(64.76% 0.166 261)
XYZ	xyz(28.6473, 26.6225, 87.6161)
Luminance	0.2662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BF2 #F2B851

analogous

#51DBF2 #518BF2 #6751F2

triadic

#518BF2 #F2518B #8BF251

tetradic

#518BF2 #F251DB #F2B851 #51F267

square

#518BF2 #F251DB #F2B851 #51F267

split-complementary

#518BF2 #F26751 #DBF251

monochromatic

#0E4CBB #1865EE #518BF2 #8AB1F6 #C3D7FB

Accessibility & contrast

On white

3.32

#518BF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#518BF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BF2

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BF2	#FFFFFF	#000000	##000000
##518BF2	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A95F6

Deuteranopia (green-blind)

#3F86F0

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #518bf2;
/* rgb */ color: rgb(81, 139, 242);
/* oklch */ color: oklch(64.8% 0.166 261.0);

Tailwind

colors: {
  custom: {
    50: '#92acf7',
    500: '#518bf2',
    950: '#000000',
  },
}

SCSS

$custom: #518bf2;
$custom-light: #92acf7;
$custom-dark: #000000;

JSON

{
  "hex": "#518bf2",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 242
  },
  "hsl": {
    "h": 218.385,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64759,
    "c": 0.16588,
    "h": 261
  },
  "luminance": 0.26625
}

Semantic roles & 50–950 ramp

primary

#518BF2

secondary

#ECD7B3

accent

#9203E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518BF2

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

Preview Lab → · Contrast checker → · Palette generator →