#518ADD#518ADD

#518ADD is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.3% C 0.139 H 257.8°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#518ADD
RGB	rgb(81, 138, 221)
HSL	hsl(216, 67%, 59%)
HSV	hsv(216, 63%, 87%)
CMYK	cmyk(63.3%, 37.6%, 0%, 13.3%)
CIE-LAB	lab(57.22, 7.01, -47.93)
CIE-LCH	lch(57.22, 48.44, 278.33°)
OKLab	oklab(63.3% -0.0294 -0.1362)
OKLCH	oklch(63.3% 0.139 257.8)
XYZ	xyz(25.5283, 25.1443, 71.9006)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518ADD #DDA451

analogous

#51D0DD #518ADD #5E51DD

triadic

#518ADD #DD518A #8ADD51

tetradic

#518ADD #DD51D0 #DDA451 #51DD5E

square

#518ADD #DD51D0 #DDA451 #51DD5E

split-complementary

#518ADD #DD5E51 #D0DD51

monochromatic

#1D4F96 #2769C9 #518ADD #84ACE7 #B7CFF1

Accessibility & contrast

On white

3.48

#518ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#518ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518ADD

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518ADD	#FFFFFF	#000000	##000000
##518ADD	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)

#6690E0

Deuteranopia (green-blind)

#5283DB

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518add;
/* rgb */ color: rgb(81, 138, 221);
/* oklch */ color: oklch(63.3% 0.139 257.8);

Tailwind

colors: {
  custom: {
    50: '#8eabe8',
    500: '#518add',
    950: '#000000',
  },
}

SCSS

$custom: #518add;
$custom-light: #8eabe8;
$custom-dark: #000000;

JSON

{
  "hex": "#518add",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 221
  },
  "hsl": {
    "h": 215.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.633,
    "c": 0.1393,
    "h": 257.8
  },
  "luminance": 0.25147
}

Semantic roles & 50–950 ramp

primary

#518ADD

secondary

#E0CAAA

accent

#A43EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518ADD

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

Preview Lab → · Contrast checker → · Palette generator →