#517AE6#517AE6

#517AE6 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.5% C 0.170 H 265.9°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#517AE6
RGB	rgb(81, 122, 230)
HSL	hsl(223, 75%, 61%)
HSV	hsv(223, 65%, 90%)
CMYK	cmyk(64.8%, 47%, 0%, 9.8%)
CIE-LAB	lab(53.36, 19.80, -59.12)
CIE-LCH	lch(53.36, 62.34, 288.52°)
OKLab	oklab(60.49% -0.0122 -0.1692)
OKLCH	oklch(60.49% 0.17 265.9)
XYZ	xyz(24.6309, 21.3793, 77.6761)
Luminance	0.2138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517AE6 #E6BD51

analogous

#51C4E6 #517AE6 #7251E6

triadic

#517AE6 #E6517A #7AE651

tetradic

#517AE6 #E651C4 #E6BD51 #51E672

square

#517AE6 #E651C4 #E6BD51 #51E672

split-complementary

#517AE6 #E67251 #C4E651

monochromatic

#183FA5 #1F53DA #517AE6 #87A3EE #BCCCF5

Accessibility & contrast

On white

3.98

#517AE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#517AE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517AE6

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517AE6	#FFFFFF	#000000	##000000
##517AE6	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4287EA

Deuteranopia (green-blind)

#2479E4

Tritanopia (blue-blind)

#0093A5

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #517ae6;
/* rgb */ color: rgb(81, 122, 230);
/* oklch */ color: oklch(60.5% 0.170 265.9);

Tailwind

colors: {
  custom: {
    50: '#909fee',
    500: '#517ae6',
    950: '#000000',
  },
}

SCSS

$custom: #517ae6;
$custom-light: #909fee;
$custom-dark: #000000;

JSON

{
  "hex": "#517ae6",
  "rgb": {
    "r": 81,
    "g": 122,
    "b": 230
  },
  "hsl": {
    "h": 223.49,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.60492,
    "c": 0.16966,
    "h": 265.9
  },
  "luminance": 0.21382
}

Semantic roles & 50–950 ramp

primary

#517AE6

secondary

#E5D6AD

accent

#A00ED7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #517AE6

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

Preview Lab → · Contrast checker → · Palette generator →