#518DDE#518DDE

#518DDE is a light, vivid cyan. Relative luminance 0.261; OKLCH L 64.0% C 0.137 H 256.4°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#518DDE
RGB	rgb(81, 141, 222)
HSL	hsl(214, 68%, 59%)
HSV	hsv(214, 64%, 87%)
CMYK	cmyk(63.5%, 36.5%, 0%, 12.9%)
CIE-LAB	lab(58.10, 5.57, -47.08)
CIE-LCH	lch(58.10, 47.41, 276.75°)
OKLab	oklab(64.01% -0.0322 -0.1336)
OKLCH	oklch(64.01% 0.137 256.4)
XYZ	xyz(26.0983, 26.0705, 72.7498)
Luminance	0.2607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DDE #DEA251

analogous

#51D4DE #518DDE #5C51DE

triadic

#518DDE #DE518D #8DDE51

tetradic

#518DDE #DE51D4 #DEA251 #51DE5C

square

#518DDE #DE51D4 #DEA251 #51DE5C

split-complementary

#518DDE #DE5C51 #D4DE51

monochromatic

#1D5198 #276DCB #518DDE #84AFE8 #B8D0F2

Accessibility & contrast

On white

3.38

#518DDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#518DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DDE

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DDE	#FFFFFF	#000000	##000000
##518DDE	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A93E1

Deuteranopia (green-blind)

#5686DC

Tritanopia (blue-blind)

#00A0AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518dde;
/* rgb */ color: rgb(81, 141, 222);
/* oklch */ color: oklch(64.0% 0.137 256.4);

Tailwind

colors: {
  custom: {
    50: '#8eade8',
    500: '#518dde',
    950: '#000000',
  },
}

SCSS

$custom: #518dde;
$custom-light: #8eade8;
$custom-dark: #000000;

JSON

{
  "hex": "#518dde",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 222
  },
  "hsl": {
    "h": 214.468,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64008,
    "c": 0.13748,
    "h": 256.4
  },
  "luminance": 0.26073
}

Semantic roles & 50–950 ramp

primary

#518DDE

secondary

#E1C9AA

accent

#A13DEB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518DDE

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

Preview Lab → · Contrast checker → · Palette generator →