#517DE7#517DE7

#517DE7 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.2% C 0.167 H 264.9°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#517DE7
RGB	rgb(81, 125, 231)
HSL	hsl(222, 76%, 61%)
HSV	hsv(222, 65%, 91%)
CMYK	cmyk(64.9%, 45.9%, 0%, 9.4%)
CIE-LAB	lab(54.22, 18.30, -58.30)
CIE-LCH	lch(54.22, 61.10, 287.43°)
OKLab	oklab(61.17% -0.0148 -0.1668)
OKLCH	oklch(61.17% 0.167 264.9)
XYZ	xyz(25.1457, 22.1837, 78.5425)
Luminance	0.2219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517DE7 #E7BB51

analogous

#51C8E7 #517DE7 #7051E7

triadic

#517DE7 #E7517D #7DE751

tetradic

#517DE7 #E751C8 #E7BB51 #51E770

square

#517DE7 #E751C8 #E7BB51 #51E770

split-complementary

#517DE7 #E77051 #C8E751

monochromatic

#1741A7 #1E56DC #517DE7 #87A5EE #BDCDF6

Accessibility & contrast

On white

3.86

#517DE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#517DE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517DE7

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517DE7	#FFFFFF	#000000	##000000
##517DE7	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4889EB

Deuteranopia (green-blind)

#2B7BE5

Tritanopia (blue-blind)

#0095A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #517de7;
/* rgb */ color: rgb(81, 125, 231);
/* oklch */ color: oklch(61.2% 0.167 264.9);

Tailwind

colors: {
  custom: {
    50: '#90a2ef',
    500: '#517de7',
    950: '#000000',
  },
}

SCSS

$custom: #517de7;
$custom-light: #90a2ef;
$custom-dark: #000000;

JSON

{
  "hex": "#517de7",
  "rgb": {
    "r": 81,
    "g": 125,
    "b": 231
  },
  "hsl": {
    "h": 222.4,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.61169,
    "c": 0.16742,
    "h": 264.9
  },
  "luminance": 0.22186
}

Semantic roles & 50–950 ramp

primary

#517DE7

secondary

#E6D6AE

accent

#9D0ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #517DE7

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

Preview Lab → · Contrast checker → · Palette generator →