#517CC3#517CC3

#517CC3 is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.8% C 0.120 H 260.0°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#517CC3
RGB	rgb(81, 124, 195)
HSL	hsl(217, 49%, 54%)
HSV	hsv(217, 58%, 76%)
CMYK	cmyk(58.5%, 36.4%, 0%, 23.5%)
CIE-LAB	lab(51.95, 6.70, -41.56)
CIE-LCH	lch(51.95, 42.10, 279.15°)
OKLab	oklab(58.77% -0.0208 -0.1177)
OKLCH	oklch(58.77% 0.12 260)
XYZ	xyz(20.4479, 20.1030, 54.4219)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CC3 #C39851

analogous

#51B5C3 #517CC3 #5F51C3

triadic

#517CC3 #C3517C #7CC351

tetradic

#517CC3 #C351B5 #C39851 #51C35F

square

#517CC3 #C351B5 #C39851 #51C35F

split-complementary

#517CC3 #C35F51 #B5C351

monochromatic

#274472 #375FA0 #517CC3 #7F9ED3 #ACC1E2

Accessibility & contrast

On white

4.18

#517CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#517CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CC3

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CC3	#FFFFFF	#000000	##000000
##517CC3	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C6

Deuteranopia (green-blind)

#5077C2

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #517cc3;
/* rgb */ color: rgb(81, 124, 195);
/* oklch */ color: oklch(58.8% 0.120 260.0);

Tailwind

colors: {
  custom: {
    50: '#8ba1d5',
    500: '#517cc3',
    950: '#000000',
  },
}

SCSS

$custom: #517cc3;
$custom-light: #8ba1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#517cc3",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 195
  },
  "hsl": {
    "h": 217.368,
    "s": 48.718,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58772,
    "c": 0.11953,
    "h": 260
  },
  "luminance": 0.20105
}

Semantic roles & 50–950 ramp

primary

#517CC3

secondary

#D0BEA0

accent

#A550D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0E14

muted

#7D7E83

Preview Lab

Preview with #517CC3

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

Preview Lab → · Contrast checker → · Palette generator →