#517CE6#517CE6

#517CE6 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.9% C 0.167 H 265.2°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#517CE6
RGB	rgb(81, 124, 230)
HSL	hsl(223, 75%, 61%)
HSV	hsv(223, 65%, 90%)
CMYK	cmyk(64.8%, 46.1%, 0%, 9.8%)
CIE-LAB	lab(53.89, 18.57, -58.26)
CIE-LCH	lch(53.89, 61.15, 287.68°)
OKLab	oklab(60.9% -0.014 -0.1667)
OKLCH	oklch(60.9% 0.167 265.2)
XYZ	xyz(24.8790, 21.8755, 77.7588)
Luminance	0.2188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CE6 #E6BB51

analogous

#51C6E6 #517CE6 #7051E6

triadic

#517CE6 #E6517C #7CE651

tetradic

#517CE6 #E651C6 #E6BB51 #51E670

square

#517CE6 #E651C6 #E6BB51 #51E670

split-complementary

#517CE6 #E67051 #C6E651

monochromatic

#1840A5 #1F55DA #517CE6 #87A4EE #BCCDF5

Accessibility & contrast

On white

3.91

#517CE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#517CE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CE6

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CE6	#FFFFFF	#000000	##000000
##517CE6	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4788EA

Deuteranopia (green-blind)

#2A7AE4

Tritanopia (blue-blind)

#0094A6

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #517ce6;
/* rgb */ color: rgb(81, 124, 230);
/* oklch */ color: oklch(60.9% 0.167 265.2);

Tailwind

colors: {
  custom: {
    50: '#90a1ee',
    500: '#517ce6',
    950: '#000000',
  },
}

SCSS

$custom: #517ce6;
$custom-light: #90a1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#517ce6",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 230
  },
  "hsl": {
    "h": 222.685,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60899,
    "c": 0.16726,
    "h": 265.2
  },
  "luminance": 0.21878
}

Semantic roles & 50–950 ramp

primary

#517CE6

secondary

#E5D5AD

accent

#9D0ED7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #517CE6

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

Preview Lab → · Contrast checker → · Palette generator →