#518BE9#518BE9

#518BE9 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.2% C 0.154 H 259.6°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#518BE9
RGB	rgb(81, 139, 233)
HSL	hsl(217, 78%, 62%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(65.2%, 40.3%, 0%, 8.6%)
CIE-LAB	lab(58.13, 10.50, -53.17)
CIE-LCH	lch(58.13, 54.20, 281.17°)
OKLab	oklab(64.21% -0.0278 -0.1515)
OKLCH	oklch(64.21% 0.154 259.6)
XYZ	xyz(27.3287, 26.0951, 80.6716)
Luminance	0.2610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BE9 #E9AF51

analogous

#51D7E9 #518BE9 #6351E9

triadic

#518BE9 #E9518B #8BE951

tetradic

#518BE9 #E951D7 #E9AF51 #51E963

square

#518BE9 #E951D7 #E9AF51 #51E963

split-complementary

#518BE9 #E96351 #D7E951

monochromatic

#164EAA #1C67E0 #518BE9 #87AFF0 #BED3F7

Accessibility & contrast

On white

3.38

#518BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#518BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BE9

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BE9	#FFFFFF	#000000	##000000
##518BE9	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6093ED

Deuteranopia (green-blind)

#4985E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518be9;
/* rgb */ color: rgb(81, 139, 233);
/* oklch */ color: oklch(64.2% 0.154 259.6);

Tailwind

colors: {
  custom: {
    50: '#90acf0',
    500: '#518be9',
    950: '#000000',
  },
}

SCSS

$custom: #518be9;
$custom-light: #90acf0;
$custom-dark: #000000;

JSON

{
  "hex": "#518be9",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 233
  },
  "hsl": {
    "h": 217.105,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64214,
    "c": 0.15404,
    "h": 259.6
  },
  "luminance": 0.26098
}

Semantic roles & 50–950 ramp

primary

#518BE9

secondary

#E7D2AF

accent

#8B0CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518BE9

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

Preview Lab → · Contrast checker → · Palette generator →