#517EE8#517EE8

#517EE8 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.4% C 0.168 H 264.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#517EE8
RGB	rgb(81, 126, 232)
HSL	hsl(222, 77%, 61%)
HSV	hsv(222, 65%, 91%)
CMYK	cmyk(65.1%, 45.7%, 0%, 9%)
CIE-LAB	lab(54.55, 18.03, -58.33)
CIE-LCH	lch(54.55, 61.06, 287.18°)
OKLab	oklab(61.44% -0.0156 -0.1668)
OKLCH	oklch(61.44% 0.168 264.7)
XYZ	xyz(25.4146, 22.4948, 79.3309)
Luminance	0.2250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517EE8 #E8BB51

analogous

#51CAE8 #517EE8 #7051E8

triadic

#517EE8 #E8517E #7EE851

tetradic

#517EE8 #E851CA #E8BB51 #51E870

square

#517EE8 #E851CA #E8BB51 #51E870

split-complementary

#517EE8 #E87051 #CAE851

monochromatic

#1642A8 #1D57DE #517EE8 #87A6EF #BDCEF6

Accessibility & contrast

On white

3.82

#517EE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#517EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517EE8

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517EE8	#FFFFFF	#000000	##000000
##517EE8	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498AEC

Deuteranopia (green-blind)

#2D7CE6

Tritanopia (blue-blind)

#0096A8

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #517ee8;
/* rgb */ color: rgb(81, 126, 232);
/* oklch */ color: oklch(61.4% 0.168 264.7);

Tailwind

colors: {
  custom: {
    50: '#90a2f0',
    500: '#517ee8',
    950: '#000000',
  },
}

SCSS

$custom: #517ee8;
$custom-light: #90a2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#517ee8",
  "rgb": {
    "r": 81,
    "g": 126,
    "b": 232
  },
  "hsl": {
    "h": 222.119,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.61438,
    "c": 0.16758,
    "h": 264.7
  },
  "luminance": 0.22497
}

Semantic roles & 50–950 ramp

primary

#517EE8

secondary

#E7D6AE

accent

#9C0DD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #517EE8

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

Preview Lab → · Contrast checker → · Palette generator →