#518FD3#518FD3

#518FD3 is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.121 H 252.2°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#518FD3
RGB	rgb(81, 143, 211)
HSL	hsl(211, 60%, 57%)
HSV	hsv(211, 62%, 83%)
CMYK	cmyk(61.6%, 32.2%, 0%, 17.3%)
CIE-LAB	lab(58.13, 0.71, -40.89)
CIE-LCH	lch(58.13, 40.89, 271.00°)
OKLab	oklab(63.85% -0.0371 -0.1155)
OKLCH	oklch(63.85% 0.121 252.2)
XYZ	xyz(24.9694, 26.0951, 65.3364)
Luminance	0.2610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FD3 #D39551

analogous

#51D0D3 #518FD3 #5451D3

triadic

#518FD3 #D3518F #8FD351

tetradic

#518FD3 #D351D0 #D39551 #51D354

square

#518FD3 #D351D0 #D39551 #51D354

split-complementary

#518FD3 #D35451 #D0D351

monochromatic

#225287 #2F70B8 #518FD3 #82AEDF #B3CEEC

Accessibility & contrast

On white

3.38

#518FD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#518FD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FD3

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FD3	#FFFFFF	#000000	##000000
##518FD3	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7293D6

Deuteranopia (green-blind)

#6086D2

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #518fd3;
/* rgb */ color: rgb(81, 143, 211);
/* oklch */ color: oklch(63.8% 0.121 252.2);

Tailwind

colors: {
  custom: {
    50: '#8dafe1',
    500: '#518fd3',
    950: '#000000',
  },
}

SCSS

$custom: #518fd3;
$custom-light: #8dafe1;
$custom-dark: #000000;

JSON

{
  "hex": "#518fd3",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 211
  },
  "hsl": {
    "h": 211.385,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6385,
    "c": 0.12137,
    "h": 252.2
  },
  "luminance": 0.26097
}

Semantic roles & 50–950 ramp

primary

#518FD3

secondary

#DAC1A6

accent

#9845E3

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #518FD3

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

Preview Lab → · Contrast checker → · Palette generator →