#517ED8#517ED8

#517ED8 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.4% C 0.146 H 262.8°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#517ED8
RGB	rgb(81, 126, 216)
HSL	hsl(220, 63%, 58%)
HSV	hsv(220, 63%, 85%)
CMYK	cmyk(62.5%, 41.7%, 0%, 15.3%)
CIE-LAB	lab(53.63, 12.55, -50.82)
CIE-LCH	lch(53.63, 52.35, 283.88°)
OKLab	oklab(60.43% -0.0184 -0.1448)
OKLCH	oklch(60.43% 0.146 262.8)
XYZ	xyz(23.2445, 21.6268, 67.9019)
Luminance	0.2163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517ED8 #D8AB51

analogous

#51C1D8 #517ED8 #6751D8

triadic

#517ED8 #D8517E #7ED851

tetradic

#517ED8 #D851C1 #D8AB51 #51D867

square

#517ED8 #D851C1 #D8AB51 #51D867

split-complementary

#517ED8 #D86751 #C1D851

monochromatic

#20458F #2B5DC1 #517ED8 #83A3E3 #B5C8EE

Accessibility & contrast

On white

3.94

#517ED8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#517ED8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517ED8

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517ED8	#FFFFFF	#000000	##000000
##517ED8	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5587DC

Deuteranopia (green-blind)

#417AD6

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #517ed8;
/* rgb */ color: rgb(81, 126, 216);
/* oklch */ color: oklch(60.4% 0.146 262.8);

Tailwind

colors: {
  custom: {
    50: '#8ea2e4',
    500: '#517ed8',
    950: '#000000',
  },
}

SCSS

$custom: #517ed8;
$custom-light: #8ea2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#517ed8",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 216
  },
  "hsl": {
    "h": 220,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.60434,
    "c": 0.14595,
    "h": 262.8
  },
  "luminance": 0.21629
}

Semantic roles & 50–950 ramp

primary

#517ED8

secondary

#DDCBA8

accent

#AF41E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #517ED8

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

Preview Lab → · Contrast checker → · Palette generator →