#517FD6#517FD6

#517FD6 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.142 H 262.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#517FD6
RGB	rgb(81, 127, 214)
HSL	hsl(219, 62%, 58%)
HSV	hsv(219, 62%, 84%)
CMYK	cmyk(62.1%, 40.7%, 0%, 16.1%)
CIE-LAB	lab(53.79, 11.27, -49.43)
CIE-LCH	lch(53.79, 50.70, 282.84°)
OKLab	oklab(60.53% -0.0198 -0.1407)
OKLCH	oklch(60.53% 0.142 262)
XYZ	xyz(23.1161, 21.7810, 66.5913)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517FD6 #D6A851

analogous

#51C1D6 #517FD6 #6551D6

triadic

#517FD6 #D6517F #7FD651

tetradic

#517FD6 #D651C1 #D6A851 #51D665

square

#517FD6 #D651C1 #D6A851 #51D665

split-complementary

#517FD6 #D66551 #C1D651

monochromatic

#21468C #2D5FBD #517FD6 #83A3E2 #B4C8ED

Accessibility & contrast

On white

3.92

#517FD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#517FD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517FD6

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517FD6	#FFFFFF	#000000	##000000
##517FD6	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5887D9

Deuteranopia (green-blind)

#457BD4

Tritanopia (blue-blind)

#0093A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #517fd6;
/* rgb */ color: rgb(81, 127, 214);
/* oklch */ color: oklch(60.5% 0.142 262.0);

Tailwind

colors: {
  custom: {
    50: '#8da3e3',
    500: '#517fd6',
    950: '#000000',
  },
}

SCSS

$custom: #517fd6;
$custom-light: #8da3e3;
$custom-dark: #000000;

JSON

{
  "hex": "#517fd6",
  "rgb": {
    "r": 81,
    "g": 127,
    "b": 214
  },
  "hsl": {
    "h": 219.248,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60526,
    "c": 0.14208,
    "h": 262
  },
  "luminance": 0.21783
}

Semantic roles & 50–950 ramp

primary

#517FD6

secondary

#DCCAA7

accent

#AD43E5

background

#F9FAFD

surface

#F1F3FB

border

#CBCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #517FD6

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

Preview Lab → · Contrast checker → · Palette generator →