#517CF2#517CF2

#517CF2 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.7% C 0.183 H 266.1°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#517CF2
RGB	rgb(81, 124, 242)
HSL	hsl(224, 86%, 63%)
HSV	hsv(224, 67%, 95%)
CMYK	cmyk(66.5%, 48.8%, 0%, 5.1%)
CIE-LAB	lab(54.63, 22.71, -63.77)
CIE-LCH	lch(54.63, 67.69, 289.60°)
OKLab	oklab(61.7% -0.0125 -0.1829)
OKLCH	oklch(61.7% 0.183 266.1)
XYZ	xyz(26.6224, 22.5729, 86.9412)
Luminance	0.2258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CF2 #F2C751

analogous

#51CCF2 #517CF2 #7651F2

triadic

#517CF2 #F2517C #7CF251

tetradic

#517CF2 #F251CC #F2C751 #51F276

square

#517CF2 #F251CC #F2C751 #51F276

split-complementary

#517CF2 #F27651 #CCF251

monochromatic

#0E3CBB #1851EE #517CF2 #8AA7F6 #C3D2FB

Accessibility & contrast

On white

3.81

#517CF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#517CF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CF2

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CF2	#FFFFFF	#000000	##000000
##517CF2	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A8AF6

Deuteranopia (green-blind)

#047CF0

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #517cf2;
/* rgb */ color: rgb(81, 124, 242);
/* oklch */ color: oklch(61.7% 0.183 266.1);

Tailwind

colors: {
  custom: {
    50: '#92a1f7',
    500: '#517cf2',
    950: '#000000',
  },
}

SCSS

$custom: #517cf2;
$custom-light: #92a1f7;
$custom-dark: #000000;

JSON

{
  "hex": "#517cf2",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 242
  },
  "hsl": {
    "h": 223.975,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61696,
    "c": 0.1833,
    "h": 266.1
  },
  "luminance": 0.22575
}

Semantic roles & 50–950 ramp

primary

#517CF2

secondary

#ECDDB3

accent

#A703E3

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #517CF2

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

Preview Lab → · Contrast checker → · Palette generator →