#517BC2#517BC2

#517BC2 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.5% C 0.119 H 260.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#517BC2
RGB	rgb(81, 123, 194)
HSL	hsl(218, 48%, 54%)
HSV	hsv(218, 58%, 76%)
CMYK	cmyk(58.2%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(51.62, 6.97, -41.51)
CIE-LCH	lch(51.62, 42.10, 279.53°)
OKLab	oklab(58.5% -0.02 -0.1176)
OKLCH	oklch(58.5% 0.119 260.4)
XYZ	xyz(20.2105, 19.8086, 53.7869)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#517BC2 #C29851

analogous

#51B4C2 #517BC2 #6051C2

triadic

#517BC2 #C2517B #7BC251

tetradic

#517BC2 #C251B4 #C29851 #51C260

square

#517BC2 #C251B4 #C29851 #51C260

split-complementary

#517BC2 #C26051 #B4C251

monochromatic

#284371 #375E9E #517BC2 #7E9DD2 #ACC0E2

Accessibility & contrast

On white

4.23

#517BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#517BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517BC2

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##517BC2	#FFFFFF	#000000	##000000
##517BC2	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D81C5

Deuteranopia (green-blind)

#4F76C1

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #517bc2;
/* rgb */ color: rgb(81, 123, 194);
/* oklch */ color: oklch(58.5% 0.119 260.4);

Tailwind

colors: {
  custom: {
    50: '#8aa0d5',
    500: '#517bc2',
    950: '#000000',
  },
}

SCSS

$custom: #517bc2;
$custom-light: #8aa0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#517bc2",
  "rgb": {
    "r": 81,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 217.699,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58497,
    "c": 0.11925,
    "h": 260.4
  },
  "luminance": 0.1981
}

Semantic roles & 50–950 ramp

primary

#517BC2

secondary

#D0BE9F

accent

#A550D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0E14

muted

#7D7E83

Preview Lab

Preview with #517BC2

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

Preview Lab → · Contrast checker → · Palette generator →