#518ADE#518ADE

#518ADE is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.4% C 0.141 H 258.0°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#518ADE
RGB	rgb(81, 138, 222)
HSL	hsl(216, 68%, 59%)
HSV	hsv(216, 64%, 87%)
CMYK	cmyk(63.5%, 37.8%, 0%, 12.9%)
CIE-LAB	lab(57.27, 7.35, -48.41)
CIE-LCH	lch(57.27, 48.96, 278.64°)
OKLab	oklab(63.36% -0.0292 -0.1376)
OKLCH	oklch(63.36% 0.141 258)
XYZ	xyz(25.6619, 25.1978, 72.6044)
Luminance	0.2520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518ADE #DEA551

analogous

#51D0DE #518ADE #5F51DE

triadic

#518ADE #DE518A #8ADE51

tetradic

#518ADE #DE51D0 #DEA551 #51DE5F

square

#518ADE #DE51D0 #DEA551 #51DE5F

split-complementary

#518ADE #DE5F51 #D0DE51

monochromatic

#1D4F98 #2769CB #518ADE #84ADE8 #B8CFF2

Accessibility & contrast

On white

3.48

#518ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#518ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ADE

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518ADE	#FFFFFF	#000000	##000000
##518ADE	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6591E1

Deuteranopia (green-blind)

#5183DC

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518ade;
/* rgb */ color: rgb(81, 138, 222);
/* oklch */ color: oklch(63.4% 0.141 258.0);

Tailwind

colors: {
  custom: {
    50: '#8eabe9',
    500: '#518ade',
    950: '#000000',
  },
}

SCSS

$custom: #518ade;
$custom-light: #8eabe9;
$custom-dark: #000000;

JSON

{
  "hex": "#518ade",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 222
  },
  "hsl": {
    "h": 215.745,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63357,
    "c": 0.14063,
    "h": 258
  },
  "luminance": 0.252
}

Semantic roles & 50–950 ramp

primary

#518ADE

secondary

#E1CBAA

accent

#A53DEB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518ADE

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

Preview Lab → · Contrast checker → · Palette generator →