#518BE3#518BE3

#518BE3 is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.9% C 0.146 H 258.5°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#518BE3
RGB	rgb(81, 139, 227)
HSL	hsl(216, 72%, 60%)
HSV	hsv(216, 64%, 89%)
CMYK	cmyk(64.3%, 38.8%, 0%, 11%)
CIE-LAB	lab(57.81, 8.45, -50.34)
CIE-LCH	lch(57.81, 51.05, 279.53°)
OKLab	oklab(63.86% -0.0291 -0.1432)
OKLCH	oklch(63.86% 0.146 258.5)
XYZ	xyz(26.4861, 25.7581, 76.2341)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BE3 #E3A951

analogous

#51D4E3 #518BE3 #6051E3

triadic

#518BE3 #E3518B #8BE351

tetradic

#518BE3 #E351D4 #E3A951 #51E360

square

#518BE3 #E351D4 #E3A951 #51E360

split-complementary

#518BE3 #E36051 #D4E351

monochromatic

#1A4FA0 #2269D5 #518BE3 #86AEEB #BAD1F4

Accessibility & contrast

On white

3.41

#518BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#518BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BE3

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BE3	#FFFFFF	#000000	##000000
##518BE3	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6492E7

Deuteranopia (green-blind)

#4F85E1

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #518be3;
/* rgb */ color: rgb(81, 139, 227);
/* oklch */ color: oklch(63.9% 0.146 258.5);

Tailwind

colors: {
  custom: {
    50: '#8facec',
    500: '#518be3',
    950: '#000000',
  },
}

SCSS

$custom: #518be3;
$custom-light: #8facec;
$custom-dark: #000000;

JSON

{
  "hex": "#518be3",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 227
  },
  "hsl": {
    "h": 216.164,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63862,
    "c": 0.14613,
    "h": 258.5
  },
  "luminance": 0.25761
}

Semantic roles & 50–950 ramp

primary

#518BE3

secondary

#E4CEAC

accent

#8711D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518BE3

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

Preview Lab → · Contrast checker → · Palette generator →