#518AE4#518AE4

#518AE4 is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.7% C 0.149 H 259.2°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#518AE4
RGB	rgb(81, 138, 228)
HSL	hsl(217, 73%, 61%)
HSV	hsv(217, 64%, 89%)
CMYK	cmyk(64.5%, 39.5%, 0%, 10.6%)
CIE-LAB	lab(57.58, 9.39, -51.25)
CIE-LCH	lch(57.58, 52.11, 280.38°)
OKLab	oklab(63.71% -0.0279 -0.1459)
OKLCH	oklch(63.71% 0.149 259.2)
XYZ	xyz(26.4804, 25.5252, 76.9151)
Luminance	0.2553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518AE4 #E4AB51

analogous

#51D3E4 #518AE4 #6251E4

triadic

#518AE4 #E4518A #8AE451

tetradic

#518AE4 #E451D3 #E4AB51 #51E462

square

#518AE4 #E451D3 #E4AB51 #51E462

split-complementary

#518AE4 #E46251 #D3E451

monochromatic

#194EA2 #2168D7 #518AE4 #86AEEC #BBD1F4

Accessibility & contrast

On white

3.44

#518AE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#518AE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518AE4

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518AE4	#FFFFFF	#000000	##000000
##518AE4	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6292E8

Deuteranopia (green-blind)

#4C84E2

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #518ae4;
/* rgb */ color: rgb(81, 138, 228);
/* oklch */ color: oklch(63.7% 0.149 259.2);

Tailwind

colors: {
  custom: {
    50: '#8fabed',
    500: '#518ae4',
    950: '#000000',
  },
}

SCSS

$custom: #518ae4;
$custom-light: #8fabed;
$custom-dark: #000000;

JSON

{
  "hex": "#518ae4",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 228
  },
  "hsl": {
    "h": 216.735,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63706,
    "c": 0.14854,
    "h": 259.2
  },
  "luminance": 0.25528
}

Semantic roles & 50–950 ramp

primary

#518AE4

secondary

#E4CFAC

accent

#8910D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518AE4

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

Preview Lab → · Contrast checker → · Palette generator →