#517DC2#517DC2

#517DC2 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.9% C 0.117 H 259.1°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#517DC2
RGB	rgb(81, 125, 194)
HSL	hsl(217, 48%, 54%)
HSV	hsv(217, 58%, 76%)
CMYK	cmyk(58.2%, 35.6%, 0%, 23.9%)
CIE-LAB	lab(52.19, 5.76, -40.62)
CIE-LCH	lch(52.19, 41.03, 278.07°)
OKLab	oklab(58.94% -0.0222 -0.1149)
OKLCH	oklch(58.94% 0.117 259.1)
XYZ	xyz(20.4612, 20.3099, 53.8704)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517DC2 #C29651

analogous

#51B6C2 #517DC2 #5E51C2

triadic

#517DC2 #C2517D #7DC251

tetradic

#517DC2 #C251B6 #C29651 #51C25E

square

#517DC2 #C251B6 #C29651 #51C25E

split-complementary

#517DC2 #C25E51 #B6C251

monochromatic

#284471 #37609E #517DC2 #7E9FD2 #ACC1E2

Accessibility & contrast

On white

4.15

#517DC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#517DC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517DC2

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517DC2	#FFFFFF	#000000	##000000
##517DC2	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6082C5

Deuteranopia (green-blind)

#5278C1

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #517dc2;
/* rgb */ color: rgb(81, 125, 194);
/* oklch */ color: oklch(58.9% 0.117 259.1);

Tailwind

colors: {
  custom: {
    50: '#8aa2d5',
    500: '#517dc2',
    950: '#000000',
  },
}

SCSS

$custom: #517dc2;
$custom-light: #8aa2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#517dc2",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 194
  },
  "hsl": {
    "h": 216.637,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58936,
    "c": 0.11707,
    "h": 259.1
  },
  "luminance": 0.20312
}

Semantic roles & 50–950 ramp

primary

#517DC2

secondary

#D0BD9F

accent

#A350D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0F14

muted

#7D7E83

Preview Lab

Preview with #517DC2

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

Preview Lab → · Contrast checker → · Palette generator →