#5173E2#5173E2

#5173E2 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.8% C 0.173 H 268.0°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5173E2
RGB	rgb(81, 115, 226)
HSL	hsl(226, 71%, 60%)
HSV	hsv(226, 64%, 89%)
CMYK	cmyk(64.2%, 49.1%, 0%, 11.4%)
CIE-LAB	lab(51.27, 22.75, -60.24)
CIE-LCH	lch(51.27, 64.39, 290.69°)
OKLab	oklab(58.82% -0.0061 -0.1726)
OKLCH	oklch(58.82% 0.173 268)
XYZ	xyz(23.2468, 19.4997, 74.4755)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5173E2 #E2C051

analogous

#51BCE2 #5173E2 #7751E2

triadic

#5173E2 #E25173 #73E251

tetradic

#5173E2 #E251BC #E2C051 #51E277

square

#5173E2 #E251BC #E2C051 #51E277

split-complementary

#5173E2 #E27751 #BCE251

monochromatic

#1A399E #234CD3 #5173E2 #859DEB #BAC7F3

Accessibility & contrast

On white

4.29

#5173E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#5173E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5173E2

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5173E2	#FFFFFF	#000000	##000000
##5173E2	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3681E6

Deuteranopia (green-blind)

#0E74E0

Tritanopia (blue-blind)

#008DA0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5173e2;
/* rgb */ color: rgb(81, 115, 226);
/* oklch */ color: oklch(58.8% 0.173 268.0);

Tailwind

colors: {
  custom: {
    50: '#909aec',
    500: '#5173e2',
    950: '#000000',
  },
}

SCSS

$custom: #5173e2;
$custom-light: #909aec;
$custom-dark: #000000;

JSON

{
  "hex": "#5173e2",
  "rgb": {
    "r": 81,
    "g": 115,
    "b": 226
  },
  "hsl": {
    "h": 225.931,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.58816,
    "c": 0.17273,
    "h": 268
  },
  "luminance": 0.19502
}

Semantic roles & 50–950 ramp

primary

#5173E2

secondary

#E3D6AC

accent

#A612D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5173E2

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

Preview Lab → · Contrast checker → · Palette generator →