#517DD6#517DD6

#517DD6 is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.1% C 0.144 H 262.9°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#517DD6
RGB	rgb(81, 125, 214)
HSL	hsl(220, 62%, 58%)
HSV	hsv(220, 62%, 84%)
CMYK	cmyk(62.1%, 41.6%, 0%, 16.1%)
CIE-LAB	lab(53.24, 12.48, -50.31)
CIE-LCH	lch(53.24, 51.83, 283.94°)
OKLab	oklab(60.1% -0.0177 -0.1433)
OKLCH	oklch(60.1% 0.144 262.9)
XYZ	xyz(22.8603, 21.2695, 66.5060)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517DD6 #D6AA51

analogous

#51C0D6 #517DD6 #6751D6

triadic

#517DD6 #D6517D #7DD651

tetradic

#517DD6 #D651C0 #D6AA51 #51D667

square

#517DD6 #D651C0 #D6AA51 #51D667

split-complementary

#517DD6 #D66751 #C0D651

monochromatic

#21448C #2D5CBD #517DD6 #83A2E2 #B4C7ED

Accessibility & contrast

On white

4.00

#517DD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#517DD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517DD6

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517DD6	#FFFFFF	#000000	##000000
##517DD6	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5586D9

Deuteranopia (green-blind)

#4179D4

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #517dd6;
/* rgb */ color: rgb(81, 125, 214);
/* oklch */ color: oklch(60.1% 0.144 262.9);

Tailwind

colors: {
  custom: {
    50: '#8da2e3',
    500: '#517dd6',
    950: '#000000',
  },
}

SCSS

$custom: #517dd6;
$custom-light: #8da2e3;
$custom-dark: #000000;

JSON

{
  "hex": "#517dd6",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 214
  },
  "hsl": {
    "h": 220.15,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60101,
    "c": 0.14439,
    "h": 262.9
  },
  "luminance": 0.21272
}

Semantic roles & 50–950 ramp

primary

#517DD6

secondary

#DCCAA7

accent

#AF43E5

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #517DD6

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

Preview Lab → · Contrast checker → · Palette generator →