#517FF2#517FF2

#517FF2 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.3% C 0.180 H 265.2°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#517FF2
RGB	rgb(81, 127, 242)
HSL	hsl(223, 86%, 63%)
HSV	hsv(223, 67%, 95%)
CMYK	cmyk(66.5%, 47.5%, 0%, 5.1%)
CIE-LAB	lab(55.42, 20.87, -62.50)
CIE-LCH	lch(55.42, 65.90, 288.46°)
OKLab	oklab(62.3% -0.0151 -0.1791)
OKLCH	oklch(62.3% 0.18 265.2)
XYZ	xyz(27.0041, 23.3362, 87.0684)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517FF2 #F2C451

analogous

#51CFF2 #517FF2 #7351F2

triadic

#517FF2 #F2517F #7FF251

tetradic

#517FF2 #F251CF #F2C451 #51F273

square

#517FF2 #F251CF #F2C451 #51F273

split-complementary

#517FF2 #F27351 #CFF251

monochromatic

#0E3FBB #1855EE #517FF2 #8AA9F6 #C3D3FB

Accessibility & contrast

On white

3.71

#517FF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#517FF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FF2

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517FF2	#FFFFFF	#000000	##000000
##517FF2	1.00	3.71	5.67	5.67
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#428DF6

Deuteranopia (green-blind)

#1A7EF0

Tritanopia (blue-blind)

#009AAD

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #517ff2;
/* rgb */ color: rgb(81, 127, 242);
/* oklch */ color: oklch(62.3% 0.180 265.2);

Tailwind

colors: {
  custom: {
    50: '#92a3f7',
    500: '#517ff2',
    950: '#000000',
  },
}

SCSS

$custom: #517ff2;
$custom-light: #92a3f7;
$custom-dark: #000000;

JSON

{
  "hex": "#517ff2",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 242
  },
  "hsl": {
    "h": 222.857,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.62297,
    "c": 0.17975,
    "h": 265.2
  },
  "luminance": 0.23339
}

Semantic roles & 50–950 ramp

primary

#517FF2

secondary

#ECDCB3

accent

#A303E3

background

#F9FAFF

surface

#F2F3FF

border

#CCCDD7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #517FF2

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

Preview Lab → · Contrast checker → · Palette generator →