#518BE7#518BE7

#518BE7 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.1% C 0.151 H 259.3°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#518BE7
RGB	rgb(81, 139, 231)
HSL	hsl(217, 76%, 61%)
HSV	hsv(217, 65%, 91%)
CMYK	cmyk(64.9%, 39.8%, 0%, 9.4%)
CIE-LAB	lab(58.02, 9.82, -52.23)
CIE-LCH	lch(58.02, 53.14, 280.64°)
OKLab	oklab(64.1% -0.0282 -0.1487)
OKLCH	oklch(64.1% 0.151 259.3)
XYZ	xyz(27.0446, 25.9815, 79.1755)
Luminance	0.2598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BE7 #E7AD51

analogous

#51D6E7 #518BE7 #6251E7

triadic

#518BE7 #E7518B #8BE751

tetradic

#518BE7 #E751D6 #E7AD51 #51E762

square

#518BE7 #E751D6 #E7AD51 #51E762

split-complementary

#518BE7 #E76251 #D6E751

monochromatic

#174FA7 #1E68DC #518BE7 #87AFEE #BDD3F6

Accessibility & contrast

On white

3.39

#518BE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#518BE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BE7

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BE7	#FFFFFF	#000000	##000000
##518BE7	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6193EB

Deuteranopia (green-blind)

#4B85E5

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #518be7;
/* rgb */ color: rgb(81, 139, 231);
/* oklch */ color: oklch(64.1% 0.151 259.3);

Tailwind

colors: {
  custom: {
    50: '#90acef',
    500: '#518be7',
    950: '#000000',
  },
}

SCSS

$custom: #518be7;
$custom-light: #90acef;
$custom-dark: #000000;

JSON

{
  "hex": "#518be7",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 231
  },
  "hsl": {
    "h": 216.8,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64096,
    "c": 0.1514,
    "h": 259.3
  },
  "luminance": 0.25984
}

Semantic roles & 50–950 ramp

primary

#518BE7

secondary

#E6D0AE

accent

#8A0ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518BE7

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

Preview Lab → · Contrast checker → · Palette generator →