#518BE8#518BE8

#518BE8 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.2% C 0.153 H 259.4°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#518BE8
RGB	rgb(81, 139, 232)
HSL	hsl(217, 77%, 61%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(65.1%, 40.1%, 0%, 9%)
CIE-LAB	lab(58.07, 10.16, -52.70)
CIE-LCH	lch(58.07, 53.67, 280.91°)
OKLab	oklab(64.16% -0.028 -0.1501)
OKLCH	oklch(64.16% 0.153 259.4)
XYZ	xyz(27.1862, 26.0381, 79.9214)
Luminance	0.2604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BE8 #E8AE51

analogous

#51D6E8 #518BE8 #6351E8

triadic

#518BE8 #E8518B #8BE851

tetradic

#518BE8 #E851D6 #E8AE51 #51E863

square

#518BE8 #E851D6 #E8AE51 #51E863

split-complementary

#518BE8 #E86351 #D6E851

monochromatic

#164EA8 #1D68DE #518BE8 #87AFEF #BDD3F6

Accessibility & contrast

On white

3.38

#518BE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#518BE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BE8

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BE8	#FFFFFF	#000000	##000000
##518BE8	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6193EC

Deuteranopia (green-blind)

#4A85E6

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518be8;
/* rgb */ color: rgb(81, 139, 232);
/* oklch */ color: oklch(64.2% 0.153 259.4);

Tailwind

colors: {
  custom: {
    50: '#90acf0',
    500: '#518be8',
    950: '#000000',
  },
}

SCSS

$custom: #518be8;
$custom-light: #90acf0;
$custom-dark: #000000;

JSON

{
  "hex": "#518be8",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 232
  },
  "hsl": {
    "h": 216.954,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.64155,
    "c": 0.15272,
    "h": 259.4
  },
  "luminance": 0.26041
}

Semantic roles & 50–950 ramp

primary

#518BE8

secondary

#E7D1AE

accent

#8A0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518BE8

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

Preview Lab → · Contrast checker → · Palette generator →