#518FE8#518FE8

#518FE8 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.0% C 0.148 H 257.6°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#518FE8
RGB	rgb(81, 143, 232)
HSL	hsl(215, 77%, 61%)
HSV	hsv(215, 65%, 91%)
CMYK	cmyk(65.1%, 38.4%, 0%, 9%)
CIE-LAB	lab(59.18, 7.77, -50.95)
CIE-LCH	lch(59.18, 51.54, 278.67°)
OKLab	oklab(65.01% -0.0319 -0.1449)
OKLCH	oklch(65.01% 0.148 257.6)
XYZ	xyz(27.7761, 27.2177, 80.1180)
Luminance	0.2722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FE8 #E8AA51

analogous

#51DBE8 #518FE8 #5F51E8

triadic

#518FE8 #E8518F #8FE851

tetradic

#518FE8 #E851DB #E8AA51 #51E85F

square

#518FE8 #E851DB #E8AA51 #51E85F

split-complementary

#518FE8 #E85F51 #DBE851

monochromatic

#1652A8 #1D6DDE #518FE8 #87B2EF #BDD5F6

Accessibility & contrast

On white

3.26

#518FE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#518FE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FE8

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FE8	#FFFFFF	#000000	##000000
##518FE8	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796EC

Deuteranopia (green-blind)

#5188E6

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #518fe8;
/* rgb */ color: rgb(81, 143, 232);
/* oklch */ color: oklch(65.0% 0.148 257.6);

Tailwind

colors: {
  custom: {
    50: '#90aff0',
    500: '#518fe8',
    950: '#000000',
  },
}

SCSS

$custom: #518fe8;
$custom-light: #90aff0;
$custom-dark: #000000;

JSON

{
  "hex": "#518fe8",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 232
  },
  "hsl": {
    "h": 215.364,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.6501,
    "c": 0.14841,
    "h": 257.6
  },
  "luminance": 0.2722
}

Semantic roles & 50–950 ramp

primary

#518FE8

secondary

#E7CFAE

accent

#850DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518FE8

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

Preview Lab → · Contrast checker → · Palette generator →