#518DDD#518DDD

#518DDD is a light, vivid cyan. Relative luminance 0.260; OKLCH L 64.0% C 0.136 H 256.2°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#518DDD
RGB	rgb(81, 141, 221)
HSL	hsl(214, 67%, 59%)
HSV	hsv(214, 63%, 87%)
CMYK	cmyk(63.3%, 36.2%, 0%, 13.3%)
CIE-LAB	lab(58.05, 5.23, -46.60)
CIE-LCH	lch(58.05, 46.89, 276.41°)
OKLab	oklab(63.95% -0.0325 -0.1322)
OKLCH	oklch(63.95% 0.136 256.2)
XYZ	xyz(25.9647, 26.0171, 72.0461)
Luminance	0.2602 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518DDD #DDA151

analogous

#51D3DD #518DDD #5B51DD

triadic

#518DDD #DD518D #8DDD51

tetradic

#518DDD #DD51D3 #DDA151 #51DD5B

square

#518DDD #DD51D3 #DDA151 #51DD5B

split-complementary

#518DDD #DD5B51 #D3DD51

monochromatic

#1D5196 #276DC9 #518DDD #84AFE7 #B7D0F1

Accessibility & contrast

On white

3.38

#518DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#518DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518DDD

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518DDD	#FFFFFF	#000000	##000000
##518DDD	1.00	3.38	6.20	6.20
#FFFFFF	3.38	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)

#6A93E0

Deuteranopia (green-blind)

#5785DB

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #518ddd;
/* rgb */ color: rgb(81, 141, 221);
/* oklch */ color: oklch(64.0% 0.136 256.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#518ddd",
  "rgb": {
    "r": 81,
    "g": 141,
    "b": 221
  },
  "hsl": {
    "h": 214.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63952,
    "c": 0.13618,
    "h": 256.2
  },
  "luminance": 0.2602
}

Semantic roles & 50–950 ramp

primary

#518DDD

secondary

#E0C9AA

accent

#A03EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518DDD

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

Preview Lab → · Contrast checker → · Palette generator →