#518FE7#518FE7

#518FE7 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.0% C 0.147 H 257.4°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#518FE7
RGB	rgb(81, 143, 231)
HSL	hsl(215, 76%, 61%)
HSV	hsv(215, 65%, 91%)
CMYK	cmyk(64.9%, 38.1%, 0%, 9.4%)
CIE-LAB	lab(59.12, 7.43, -50.47)
CIE-LCH	lch(59.12, 51.02, 278.38°)
OKLab	oklab(64.95% -0.0321 -0.1436)
OKLCH	oklch(64.95% 0.147 257.4)
XYZ	xyz(27.6344, 27.1611, 79.3721)
Luminance	0.2716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FE7 #E7A951

analogous

#51DAE7 #518FE7 #5E51E7

triadic

#518FE7 #E7518F #8FE751

tetradic

#518FE7 #E751DA #E7A951 #51E75E

square

#518FE7 #E751DA #E7A951 #51E75E

split-complementary

#518FE7 #E75E51 #DAE751

monochromatic

#1752A7 #1E6DDC #518FE7 #87B2EE #BDD4F6

Accessibility & contrast

On white

3.26

#518FE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#518FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FE7

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FE7	#FFFFFF	#000000	##000000
##518FE7	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6896EB

Deuteranopia (green-blind)

#5288E5

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #518fe7;
/* rgb */ color: rgb(81, 143, 231);
/* oklch */ color: oklch(65.0% 0.147 257.4);

Tailwind

colors: {
  custom: {
    50: '#90afef',
    500: '#518fe7',
    950: '#000000',
  },
}

SCSS

$custom: #518fe7;
$custom-light: #90afef;
$custom-dark: #000000;

JSON

{
  "hex": "#518fe7",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 231
  },
  "hsl": {
    "h": 215.2,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64953,
    "c": 0.14711,
    "h": 257.4
  },
  "luminance": 0.27164
}

Semantic roles & 50–950 ramp

primary

#518FE7

secondary

#E6CFAE

accent

#840ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518FE7

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

Preview Lab → · Contrast checker → · Palette generator →