#518DE1#518DE1

#518DE1 is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.2% C 0.141 H 257.1°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#518DE1
RGB	rgb(81, 141, 225)
HSL	hsl(215, 71%, 60%)
HSV	hsv(215, 64%, 88%)
CMYK	cmyk(64%, 37.3%, 0%, 11.8%)
CIE-LAB	lab(58.26, 6.58, -48.51)
CIE-LCH	lch(58.26, 48.96, 277.73°)
OKLab	oklab(64.18% -0.0315 -0.1378)
OKLCH	oklch(64.18% 0.141 257.1)
XYZ	xyz(26.5039, 26.2328, 74.8862)
Luminance	0.2624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DE1 #E1A551

analogous

#51D5E1 #518DE1 #5D51E1

triadic

#518DE1 #E1518D #8DE151

tetradic

#518DE1 #E151D5 #E1A551 #51E15D

square

#518DE1 #E151D5 #E1A551 #51E15D

split-complementary

#518DE1 #E15D51 #D5E151

monochromatic

#1B519D #246CD1 #518DE1 #85AFEA #B9D1F3

Accessibility & contrast

On white

3.36

#518DE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#518DE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DE1

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DE1	#FFFFFF	#000000	##000000
##518DE1	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6893E4

Deuteranopia (green-blind)

#5486DF

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518de1;
/* rgb */ color: rgb(81, 141, 225);
/* oklch */ color: oklch(64.2% 0.141 257.1);

Tailwind

colors: {
  custom: {
    50: '#8fadeb',
    500: '#518de1',
    950: '#000000',
  },
}

SCSS

$custom: #518de1;
$custom-light: #8fadeb;
$custom-dark: #000000;

JSON

{
  "hex": "#518de1",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 225
  },
  "hsl": {
    "h": 215,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.64178,
    "c": 0.14139,
    "h": 257.1
  },
  "luminance": 0.26235
}

Semantic roles & 50–950 ramp

primary

#518DE1

secondary

#E3CCAB

accent

#A33AED

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #518DE1

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

Preview Lab → · Contrast checker → · Palette generator →