#518DFF#518DFF

#518DFF is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.0% C 0.181 H 261.8°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#518DFF
RGB	rgb(81, 141, 255)
HSL	hsl(219, 100%, 66%)
HSV	hsv(219, 68%, 100%)
CMYK	cmyk(68.2%, 44.7%, 0%, 0%)
CIE-LAB	lab(59.90, 16.86, -62.47)
CIE-LCH	lch(59.90, 64.71, 285.11°)
OKLab	oklab(65.99% -0.0256 -0.1788)
OKLCH	oklch(65.99% 0.181 261.8)
XYZ	xyz(30.9618, 28.0159, 98.3642)
Luminance	0.2802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DFF #FFC351

analogous

#51E4FF #518DFF #6C51FF

triadic

#518DFF #FF518D #8DFF51

tetradic

#518DFF #FF51E4 #FFC351 #51FF6C

square

#518DFF #FF51E4 #FFC351 #51FF6C

split-complementary

#518DFF #FF6C51 #E4FF51

monochromatic

#004AD6 #1465FF #518DFF #8EB5FF #CBDDFF

Accessibility & contrast

On white

3.18

#518DFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#518DFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DFF

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DFF	#FFFFFF	#000000	##000000
##518DFF	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5499FF

Deuteranopia (green-blind)

#3289FD

Tritanopia (blue-blind)

#00A8BA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #518dff;
/* rgb */ color: rgb(81, 141, 255);
/* oklch */ color: oklch(66.0% 0.181 261.8);

Tailwind

colors: {
  custom: {
    50: '#94adff',
    500: '#518dff',
    950: '#000000',
  },
}

SCSS

$custom: #518dff;
$custom-light: #94adff;
$custom-dark: #000000;

JSON

{
  "hex": "#518dff",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 255
  },
  "hsl": {
    "h": 219.31,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65985,
    "c": 0.18064,
    "h": 261.8
  },
  "luminance": 0.28019
}

Semantic roles & 50–950 ramp

primary

#518DFF

secondary

#F3DFB9

accent

#9600E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #518DFF

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

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