#517EC2#517EC2

#517EC2 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.2% C 0.116 H 258.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#517EC2
RGB	rgb(81, 126, 194)
HSL	hsl(216, 48%, 54%)
HSV	hsv(216, 58%, 76%)
CMYK	cmyk(58.2%, 35.1%, 0%, 23.9%)
CIE-LAB	lab(52.47, 5.16, -40.17)
CIE-LCH	lch(52.47, 40.50, 277.31°)
OKLab	oklab(59.16% -0.0233 -0.1136)
OKLCH	oklch(59.16% 0.116 258.4)
XYZ	xyz(20.5884, 20.5643, 53.9128)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EC2 #C29551

analogous

#51B7C2 #517EC2 #5D51C2

triadic

#517EC2 #C2517E #7EC251

tetradic

#517EC2 #C251B7 #C29551 #51C25D

square

#517EC2 #C251B7 #C29551 #51C25D

split-complementary

#517EC2 #C25D51 #B7C251

monochromatic

#284571 #37609E #517EC2 #7EA0D2 #ACC1E2

Accessibility & contrast

On white

4.11

#517EC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#517EC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EC2

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EC2	#FFFFFF	#000000	##000000
##517EC2	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6283C5

Deuteranopia (green-blind)

#5378C1

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #517ec2;
/* rgb */ color: rgb(81, 126, 194);
/* oklch */ color: oklch(59.2% 0.116 258.4);

Tailwind

colors: {
  custom: {
    50: '#8aa3d5',
    500: '#517ec2',
    950: '#000000',
  },
}

SCSS

$custom: #517ec2;
$custom-light: #8aa3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#517ec2",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 194
  },
  "hsl": {
    "h": 216.106,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59157,
    "c": 0.11599,
    "h": 258.4
  },
  "luminance": 0.20566
}

Semantic roles & 50–950 ramp

primary

#517EC2

secondary

#D0BC9F

accent

#A250D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0F14

muted

#7D7E83

Preview Lab

Preview with #517EC2

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

Preview Lab → · Contrast checker → · Palette generator →