#5173E6#5173E6

#5173E6 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.1% C 0.178 H 268.2°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5173E6
RGB	rgb(81, 115, 230)
HSL	hsl(226, 75%, 61%)
HSV	hsv(226, 65%, 90%)
CMYK	cmyk(64.8%, 50%, 0%, 9.8%)
CIE-LAB	lab(51.52, 24.12, -62.08)
CIE-LCH	lch(51.52, 66.60, 291.23°)
OKLab	oklab(59.09% -0.0057 -0.178)
OKLCH	oklch(59.09% 0.178 268.2)
XYZ	xyz(23.8021, 19.7218, 77.3999)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5173E6 #E6C451

analogous

#51BDE6 #5173E6 #7951E6

triadic

#5173E6 #E65173 #73E651

tetradic

#5173E6 #E651BD #E6C451 #51E679

square

#5173E6 #E651BD #E6C451 #51E679

split-complementary

#5173E6 #E67951 #BDE651

monochromatic

#1838A5 #1F4ADA #5173E6 #879EEE #BCC9F5

Accessibility & contrast

On white

4.25

#5173E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#5173E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5173E6

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5173E6	#FFFFFF	#000000	##000000
##5173E6	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3182EA

Deuteranopia (green-blind)

#0074E4

Tritanopia (blue-blind)

#008EA2

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5173e6;
/* rgb */ color: rgb(81, 115, 230);
/* oklch */ color: oklch(59.1% 0.178 268.2);

Tailwind

colors: {
  custom: {
    50: '#909aef',
    500: '#5173e6',
    950: '#000000',
  },
}

SCSS

$custom: #5173e6;
$custom-light: #909aef;
$custom-dark: #000000;

JSON

{
  "hex": "#5173e6",
  "rgb": {
    "r": 81,
    "g": 115,
    "b": 230
  },
  "hsl": {
    "h": 226.309,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.5909,
    "c": 0.17812,
    "h": 268.2
  },
  "luminance": 0.19724
}

Semantic roles & 50–950 ramp

primary

#5173E6

secondary

#E5D9AD

accent

#A90ED7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5173E6

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

Preview Lab → · Contrast checker → · Palette generator →