#518FDE#518FDE

#518FDE is a light, vivid cyan. Relative luminance 0.267; OKLCH L 64.4% C 0.135 H 255.4°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#518FDE
RGB	rgb(81, 143, 222)
HSL	hsl(214, 68%, 59%)
HSV	hsv(214, 64%, 87%)
CMYK	cmyk(63.5%, 35.6%, 0%, 12.9%)
CIE-LAB	lab(58.66, 4.39, -46.19)
CIE-LCH	lch(58.66, 46.40, 275.43°)
OKLab	oklab(64.44% -0.0342 -0.131)
OKLCH	oklch(64.44% 0.135 255.4)
XYZ	xyz(26.3959, 26.6656, 72.8490)
Luminance	0.2667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518FDE #DEA051

analogous

#51D6DE #518FDE #5A51DE

triadic

#518FDE #DE518F #8FDE51

tetradic

#518FDE #DE51D6 #DEA051 #51DE5A

square

#518FDE #DE51D6 #DEA051 #51DE5A

split-complementary

#518FDE #DE5A51 #D6DE51

monochromatic

#1D5398 #276FCB #518FDE #84B0E8 #B8D1F2

Accessibility & contrast

On white

3.32

#518FDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#518FDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518FDE

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518FDE	#FFFFFF	#000000	##000000
##518FDE	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D94E1

Deuteranopia (green-blind)

#5987DC

Tritanopia (blue-blind)

#00A1AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #518fde;
/* rgb */ color: rgb(81, 143, 222);
/* oklch */ color: oklch(64.4% 0.135 255.4);

Tailwind

colors: {
  custom: {
    50: '#8eafe8',
    500: '#518fde',
    950: '#000000',
  },
}

SCSS

$custom: #518fde;
$custom-light: #8eafe8;
$custom-dark: #000000;

JSON

{
  "hex": "#518fde",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 222
  },
  "hsl": {
    "h": 213.617,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64445,
    "c": 0.13543,
    "h": 255.4
  },
  "luminance": 0.26668
}

Semantic roles & 50–950 ramp

primary

#518FDE

secondary

#E1C9AA

accent

#9E3DEB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #518FDE

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

Preview Lab → · Contrast checker → · Palette generator →