#518EE7#518EE7

#518EE7 is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.7% C 0.148 H 257.9°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#518EE7
RGB	rgb(81, 142, 231)
HSL	hsl(216, 76%, 61%)
HSV	hsv(216, 65%, 91%)
CMYK	cmyk(64.9%, 38.5%, 0%, 9.4%)
CIE-LAB	lab(58.85, 8.03, -50.91)
CIE-LCH	lch(58.85, 51.54, 278.96°)
OKLab	oklab(64.74% -0.0311 -0.1449)
OKLCH	oklch(64.74% 0.148 257.9)
XYZ	xyz(27.4850, 26.8622, 79.3223)
Luminance	0.2686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518EE7 #E7AA51

analogous

#51D9E7 #518EE7 #5F51E7

triadic

#518EE7 #E7518E #8EE751

tetradic

#518EE7 #E751D9 #E7AA51 #51E75F

square

#518EE7 #E751D9 #E7AA51 #51E75F

split-complementary

#518EE7 #E75F51 #D9E751

monochromatic

#1751A7 #1E6CDC #518EE7 #87B1EE #BDD4F6

Accessibility & contrast

On white

3.30

#518EE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#518EE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518EE7

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518EE7	#FFFFFF	#000000	##000000
##518EE7	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6695EB

Deuteranopia (green-blind)

#5087E5

Tritanopia (blue-blind)

#00A2AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #518ee7;
/* rgb */ color: rgb(81, 142, 231);
/* oklch */ color: oklch(64.7% 0.148 257.9);

Tailwind

colors: {
  custom: {
    50: '#90aeef',
    500: '#518ee7',
    950: '#000000',
  },
}

SCSS

$custom: #518ee7;
$custom-light: #90aeef;
$custom-dark: #000000;

JSON

{
  "hex": "#518ee7",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 231
  },
  "hsl": {
    "h": 215.6,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64738,
    "c": 0.14817,
    "h": 257.9
  },
  "luminance": 0.26865
}

Semantic roles & 50–950 ramp

primary

#518EE7

secondary

#E6CFAE

accent

#860ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518EE7

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

Preview Lab → · Contrast checker → · Palette generator →