#517EE6#517EE6

#517EE6 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.3% C 0.165 H 264.5°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#517EE6
RGB	rgb(81, 126, 230)
HSL	hsl(222, 75%, 61%)
HSV	hsv(222, 65%, 90%)
CMYK	cmyk(64.8%, 45.2%, 0%, 9.8%)
CIE-LAB	lab(54.43, 17.35, -57.40)
CIE-LCH	lch(54.43, 59.97, 286.81°)
OKLab	oklab(61.31% -0.0159 -0.1641)
OKLCH	oklch(61.31% 0.165 264.5)
XYZ	xyz(25.1321, 22.3818, 77.8432)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EE6 #E6B951

analogous

#51C8E6 #517EE6 #6E51E6

triadic

#517EE6 #E6517E #7EE651

tetradic

#517EE6 #E651C8 #E6B951 #51E66E

square

#517EE6 #E651C8 #E6B951 #51E66E

split-complementary

#517EE6 #E66E51 #C8E651

monochromatic

#1842A5 #1F58DA #517EE6 #87A6EE #BCCDF5

Accessibility & contrast

On white

3.83

#517EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#517EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EE6

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EE6	#FFFFFF	#000000	##000000
##517EE6	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B89EA

Deuteranopia (green-blind)

#307CE4

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #517ee6;
/* rgb */ color: rgb(81, 126, 230);
/* oklch */ color: oklch(61.3% 0.165 264.5);

Tailwind

colors: {
  custom: {
    50: '#90a2ee',
    500: '#517ee6',
    950: '#000000',
  },
}

SCSS

$custom: #517ee6;
$custom-light: #90a2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#517ee6",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 230
  },
  "hsl": {
    "h": 221.879,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61309,
    "c": 0.16489,
    "h": 264.5
  },
  "luminance": 0.22384
}

Semantic roles & 50–950 ramp

primary

#517EE6

secondary

#E5D5AD

accent

#9A0ED7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #517EE6

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

Preview Lab → · Contrast checker → · Palette generator →