#517CF6#517CF6

#517CF6 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 62.0% C 0.189 H 266.3°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#517CF6
RGB	rgb(81, 124, 246)
HSL	hsl(224, 90%, 64%)
HSV	hsv(224, 67%, 96%)
CMYK	cmyk(67.1%, 49.6%, 0%, 3.5%)
CIE-LAB	lab(54.88, 24.09, -65.58)
CIE-LCH	lch(54.88, 69.87, 290.17°)
OKLab	oklab(61.97% -0.012 -0.1882)
OKLCH	oklch(61.97% 0.189 266.3)
XYZ	xyz(27.2298, 22.8158, 90.1398)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CF6 #F6CB51

analogous

#51CEF6 #517CF6 #7951F6

triadic

#517CF6 #F6517C #7CF651

tetradic

#517CF6 #F651CE #F6CB51 #51F679

square

#517CF6 #F651CE #F6CB51 #51F679

split-complementary

#517CF6 #F67951 #CEF651

monochromatic

#0A3AC3 #1750F3 #517CF6 #8BA8F9 #C5D4FC

Accessibility & contrast

On white

3.77

#517CF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#517CF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CF6

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CF6	#FFFFFF	#000000	##000000
##517CF6	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#358BFA

Deuteranopia (green-blind)

#007CF4

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #517cf6;
/* rgb */ color: rgb(81, 124, 246);
/* oklch */ color: oklch(62.0% 0.189 266.3);

Tailwind

colors: {
  custom: {
    50: '#93a1fa',
    500: '#517cf6',
    950: '#000000',
  },
}

SCSS

$custom: #517cf6;
$custom-light: #93a1fa;
$custom-dark: #000000;

JSON

{
  "hex": "#517cf6",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 246
  },
  "hsl": {
    "h": 224.364,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.61969,
    "c": 0.1886,
    "h": 266.3
  },
  "luminance": 0.22818
}

Semantic roles & 50–950 ramp

primary

#517CF6

secondary

#EEDFB5

accent

#AA00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #517CF6

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

Preview Lab → · Contrast checker → · Palette generator →