#518BD5#518BD5

#518BD5 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 63.1% C 0.128 H 255.3°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#518BD5
RGB	rgb(81, 139, 213)
HSL	hsl(214, 61%, 58%)
HSV	hsv(214, 62%, 84%)
CMYK	cmyk(62%, 34.7%, 0%, 16.5%)
CIE-LAB	lab(57.09, 3.73, -43.64)
CIE-LCH	lch(57.09, 43.80, 274.89°)
OKLab	oklab(63.07% -0.0324 -0.1236)
OKLCH	oklch(63.07% 0.128 255.3)
XYZ	xyz(24.6319, 25.0164, 66.4684)
Luminance	0.2502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518BD5 #D59B51

analogous

#51CDD5 #518BD5 #5951D5

triadic

#518BD5 #D5518B #8BD551

tetradic

#518BD5 #D551CD #D59B51 #51D559

square

#518BD5 #D551CD #D59B51 #51D559

split-complementary

#518BD5 #D55951 #CDD551

monochromatic

#214F8A #2D6CBC #518BD5 #82ACE1 #B4CDED

Accessibility & contrast

On white

3.50

#518BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#518BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518BD5

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518BD5	#FFFFFF	#000000	##000000
##518BD5	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B90D8

Deuteranopia (green-blind)

#5983D3

Tritanopia (blue-blind)

#009CA6

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #518bd5;
/* rgb */ color: rgb(81, 139, 213);
/* oklch */ color: oklch(63.1% 0.128 255.3);

Tailwind

colors: {
  custom: {
    50: '#8dace2',
    500: '#518bd5',
    950: '#000000',
  },
}

SCSS

$custom: #518bd5;
$custom-light: #8dace2;
$custom-dark: #000000;

JSON

{
  "hex": "#518bd5",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 213
  },
  "hsl": {
    "h": 213.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63071,
    "c": 0.1278,
    "h": 255.3
  },
  "luminance": 0.25019
}

Semantic roles & 50–950 ramp

primary

#518BD5

secondary

#DBC4A6

accent

#9E44E4

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518BD5

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

Preview Lab → · Contrast checker → · Palette generator →