#518FE9#518FE9

#518FE9 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.1% C 0.150 H 257.8°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#518FE9
RGB	rgb(81, 143, 233)
HSL	hsl(216, 78%, 62%)
HSV	hsv(216, 65%, 91%)
CMYK	cmyk(65.2%, 38.6%, 0%, 8.6%)
CIE-LAB	lab(59.23, 8.11, -51.42)
CIE-LCH	lch(59.23, 52.05, 278.97°)
OKLab	oklab(65.07% -0.0317 -0.1463)
OKLCH	oklch(65.07% 0.15 257.8)
XYZ	xyz(27.9185, 27.2747, 80.8682)
Luminance	0.2728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FE9 #E9AB51

analogous

#51DBE9 #518FE9 #5F51E9

triadic

#518FE9 #E9518F #8FE951

tetradic

#518FE9 #E951DB #E9AB51 #51E95F

square

#518FE9 #E951DB #E9AB51 #51E95F

split-complementary

#518FE9 #E95F51 #DBE951

monochromatic

#1652AA #1C6CE0 #518FE9 #87B2F0 #BED5F7

Accessibility & contrast

On white

3.25

#518FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#518FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FE9

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FE9	#FFFFFF	#000000	##000000
##518FE9	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796ED

Deuteranopia (green-blind)

#5088E7

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #518fe9;
/* rgb */ color: rgb(81, 143, 233);
/* oklch */ color: oklch(65.1% 0.150 257.8);

Tailwind

colors: {
  custom: {
    50: '#90aff0',
    500: '#518fe9',
    950: '#000000',
  },
}

SCSS

$custom: #518fe9;
$custom-light: #90aff0;
$custom-dark: #000000;

JSON

{
  "hex": "#518fe9",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 233
  },
  "hsl": {
    "h": 215.526,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.65068,
    "c": 0.14971,
    "h": 257.8
  },
  "luminance": 0.27277
}

Semantic roles & 50–950 ramp

primary

#518FE9

secondary

#E7D0AF

accent

#860CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #518FE9

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

Preview Lab → · Contrast checker → · Palette generator →