#517CCD#517CCD

#517CCD is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.3% C 0.133 H 262.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#517CCD
RGB	rgb(81, 124, 205)
HSL	hsl(219, 55%, 56%)
HSV	hsv(219, 60%, 80%)
CMYK	cmyk(60.5%, 39.5%, 0%, 19.6%)
CIE-LAB	lab(52.48, 10.05, -46.43)
CIE-LCH	lch(52.48, 47.50, 282.21°)
OKLab	oklab(59.35% -0.0185 -0.1319)
OKLCH	oklch(59.35% 0.133 262)
XYZ	xyz(21.6166, 20.5705, 60.5771)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517CCD #CDA251

analogous

#51BACD #517CCD #6451CD

triadic

#517CCD #CD517C #7CCD51

tetradic

#517CCD #CD51BA #CDA251 #51CD64

square

#517CCD #CD51BA #CDA251 #51CD64

split-complementary

#517CCD #CD6451 #BACD51

monochromatic

#25447F #325DAF #517CCD #81A0DB #B0C4E8

Accessibility & contrast

On white

4.11

#517CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#517CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517CCD

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517CCD	#FFFFFF	#000000	##000000
##517CCD	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)

#5983D0

Deuteranopia (green-blind)

#4878CB

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #517ccd;
/* rgb */ color: rgb(81, 124, 205);
/* oklch */ color: oklch(59.3% 0.133 262.0);

Tailwind

colors: {
  custom: {
    50: '#8ca1dd',
    500: '#517ccd',
    950: '#000000',
  },
}

SCSS

$custom: #517ccd;
$custom-light: #8ca1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#517ccd",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 205
  },
  "hsl": {
    "h": 219.194,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59348,
    "c": 0.13323,
    "h": 262
  },
  "luminance": 0.20572
}

Semantic roles & 50–950 ramp

primary

#517CCD

secondary

#D7C5A3

accent

#AB49DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #517CCD

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

Preview Lab → · Contrast checker → · Palette generator →