#518AE8#518AE8

#518AE8 is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.9% C 0.154 H 259.9°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#518AE8
RGB	rgb(81, 138, 232)
HSL	hsl(217, 77%, 61%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(65.1%, 40.5%, 0%, 9%)
CIE-LAB	lab(57.80, 10.76, -53.14)
CIE-LCH	lch(57.80, 54.21, 281.44°)
OKLab	oklab(63.94% -0.027 -0.1514)
OKLCH	oklch(63.94% 0.154 259.9)
XYZ	xyz(27.0421, 25.7499, 79.8734)
Luminance	0.2575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518AE8 #E8AF51

analogous

#51D6E8 #518AE8 #6451E8

triadic

#518AE8 #E8518A #8AE851

tetradic

#518AE8 #E851D6 #E8AF51 #51E864

square

#518AE8 #E851D6 #E8AF51 #51E864

split-complementary

#518AE8 #E86451 #D6E851

monochromatic

#164DA8 #1D66DE #518AE8 #87AEEF #BDD3F6

Accessibility & contrast

On white

3.41

#518AE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#518AE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518AE8

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518AE8	#FFFFFF	#000000	##000000
##518AE8	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)

#5F92EC

Deuteranopia (green-blind)

#4884E6

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #518ae8;
/* rgb */ color: rgb(81, 138, 232);
/* oklch */ color: oklch(63.9% 0.154 259.9);

Tailwind

colors: {
  custom: {
    50: '#90abf0',
    500: '#518ae8',
    950: '#000000',
  },
}

SCSS

$custom: #518ae8;
$custom-light: #90abf0;
$custom-dark: #000000;

JSON

{
  "hex": "#518ae8",
  "rgb": {
    "r": 81,
    "g": 138,
    "b": 232
  },
  "hsl": {
    "h": 217.351,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.63943,
    "c": 0.15382,
    "h": 259.9
  },
  "luminance": 0.25752
}

Semantic roles & 50–950 ramp

primary

#518AE8

secondary

#E7D1AE

accent

#8C0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518AE8

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

Preview Lab → · Contrast checker → · Palette generator →