#518CE9#518CE9

#518CE9 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.4% C 0.153 H 259.2°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#518CE9
RGB	rgb(81, 140, 233)
HSL	hsl(217, 78%, 62%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(65.2%, 39.9%, 0%, 8.6%)
CIE-LAB	lab(58.40, 9.90, -52.73)
CIE-LCH	lch(58.40, 53.65, 280.63°)
OKLab	oklab(64.43% -0.0288 -0.1502)
OKLCH	oklch(64.43% 0.153 259.2)
XYZ	xyz(27.4741, 26.3860, 80.7201)
Luminance	0.2639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CE9 #E9AE51

analogous

#51D8E9 #518CE9 #6251E9

triadic

#518CE9 #E9518C #8CE951

tetradic

#518CE9 #E951D8 #E9AE51 #51E962

square

#518CE9 #E951D8 #E9AE51 #51E962

split-complementary

#518CE9 #E96251 #D8E951

monochromatic

#164FAA #1C68E0 #518CE9 #87B0F0 #BED4F7

Accessibility & contrast

On white

3.35

#518CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#518CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CE9

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CE9	#FFFFFF	#000000	##000000
##518CE9	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6294ED

Deuteranopia (green-blind)

#4B86E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518ce9;
/* rgb */ color: rgb(81, 140, 233);
/* oklch */ color: oklch(64.4% 0.153 259.2);

Tailwind

colors: {
  custom: {
    50: '#90adf0',
    500: '#518ce9',
    950: '#000000',
  },
}

SCSS

$custom: #518ce9;
$custom-light: #90adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#518ce9",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 233
  },
  "hsl": {
    "h": 216.711,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64427,
    "c": 0.15294,
    "h": 259.2
  },
  "luminance": 0.26389
}

Semantic roles & 50–950 ramp

primary

#518CE9

secondary

#E7D1AF

accent

#8A0CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518CE9

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

Preview Lab → · Contrast checker → · Palette generator →