#5170F2#5170F2

#5170F2 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.4% C 0.198 H 269.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5170F2
RGB	rgb(81, 112, 242)
HSL	hsl(228, 86%, 63%)
HSV	hsv(228, 67%, 95%)
CMYK	cmyk(66.5%, 53.7%, 0%, 5.1%)
CIE-LAB	lab(51.55, 30.09, -68.75)
CIE-LCH	lch(51.55, 75.04, 293.64°)
OKLab	oklab(59.37% -0.0021 -0.1977)
OKLCH	oklch(59.37% 0.198 269.4)
XYZ	xyz(25.2090, 19.7461, 86.4700)
Luminance	0.1975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170F2 #F2D351

analogous

#51C0F2 #5170F2 #8251F2

triadic

#5170F2 #F25170 #70F251

tetradic

#5170F2 #F251C0 #F2D351 #51F282

square

#5170F2 #F251C0 #F2D351 #51F282

split-complementary

#5170F2 #F28251 #C0F251

monochromatic

#0E2FBB #1841EE #5170F2 #8A9FF6 #C3CEFB

Accessibility & contrast

On white

4.24

#5170F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5170F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5170F2

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170F2	#FFFFFF	#000000	##000000
##5170F2	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0482F7

Deuteranopia (green-blind)

#0074EF

Tritanopia (blue-blind)

#008FA6

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5170f2;
/* rgb */ color: rgb(81, 112, 242);
/* oklch */ color: oklch(59.4% 0.198 269.4);

Tailwind

colors: {
  custom: {
    50: '#9398f7',
    500: '#5170f2',
    950: '#000000',
  },
}

SCSS

$custom: #5170f2;
$custom-light: #9398f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5170f2",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 242
  },
  "hsl": {
    "h": 228.447,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.59365,
    "c": 0.1977,
    "h": 269.4
  },
  "luminance": 0.19748
}

Semantic roles & 50–950 ramp

primary

#5170F2

secondary

#ECE1B3

accent

#B803E3

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5170F2

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

Preview Lab → · Contrast checker → · Palette generator →