#518CEE#518CEE

#518CEE is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.160 H 260.0°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#518CEE
RGB	rgb(81, 140, 238)
HSL	hsl(217, 82%, 63%)
HSV	hsv(217, 66%, 93%)
CMYK	cmyk(66%, 41.2%, 0%, 6.7%)
CIE-LAB	lab(58.67, 11.61, -55.07)
CIE-LCH	lch(58.67, 56.28, 281.90°)
OKLab	oklab(64.72% -0.0277 -0.1571)
OKLCH	oklch(64.72% 0.16 260)
XYZ	xyz(28.1985, 26.6758, 84.5352)
Luminance	0.2668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518CEE #EEB351

analogous

#51DBEE #518CEE #6451EE

triadic

#518CEE #EE518C #8CEE51

tetradic

#518CEE #EE51DB #EEB351 #51EE64

square

#518CEE #EE51DB #EEB351 #51EE64

split-complementary

#518CEE #EE6451 #DBEE51

monochromatic

#114EB3 #1967E9 #518CEE #89B1F3 #C1D6F9

Accessibility & contrast

On white

3.31

#518CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#518CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518CEE

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518CEE	#FFFFFF	#000000	##000000
##518CEE	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F95F2

Deuteranopia (green-blind)

#4686EC

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #518cee;
/* rgb */ color: rgb(81, 140, 238);
/* oklch */ color: oklch(64.7% 0.160 260.0);

Tailwind

colors: {
  custom: {
    50: '#91adf4',
    500: '#518cee',
    950: '#000000',
  },
}

SCSS

$custom: #518cee;
$custom-light: #91adf4;
$custom-dark: #000000;

JSON

{
  "hex": "#518cee",
  "rgb": {
    "r": 81,
    "g": 140,
    "b": 238
  },
  "hsl": {
    "h": 217.452,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64725,
    "c": 0.15951,
    "h": 260
  },
  "luminance": 0.26679
}

Semantic roles & 50–950 ramp

primary

#518CEE

secondary

#EAD4B1

accent

#8E07DF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518CEE

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

Preview Lab → · Contrast checker → · Palette generator →