#5172EE#5172EE

#5172EE is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.5% C 0.190 H 268.8°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#5172EE
RGB	rgb(81, 114, 238)
HSL	hsl(227, 82%, 63%)
HSV	hsv(227, 66%, 93%)
CMYK	cmyk(66%, 52.1%, 0%, 6.7%)
CIE-LAB	lab(51.79, 27.48, -66.13)
CIE-LCH	lch(51.79, 71.61, 292.57°)
OKLab	oklab(59.46% -0.0041 -0.19)
OKLCH	oklch(59.46% 0.19 268.8)
XYZ	xyz(24.8380, 19.9547, 83.4150)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172EE #EECD51

analogous

#51C0EE #5172EE #7F51EE

triadic

#5172EE #EE5172 #72EE51

tetradic

#5172EE #EE51C0 #EECD51 #51EE7F

square

#5172EE #EE51C0 #EECD51 #51EE7F

split-complementary

#5172EE #EE7F51 #C0EE51

monochromatic

#1133B3 #1945E9 #5172EE #899FF3 #C1CCF9

Accessibility & contrast

On white

4.21

#5172EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#5172EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172EE

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172EE	#FFFFFF	#000000	##000000
##5172EE	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2083F2

Deuteranopia (green-blind)

#0075EB

Tritanopia (blue-blind)

#008FA5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5172ee;
/* rgb */ color: rgb(81, 114, 238);
/* oklch */ color: oklch(59.5% 0.190 268.8);

Tailwind

colors: {
  custom: {
    50: '#929af4',
    500: '#5172ee',
    950: '#000000',
  },
}

SCSS

$custom: #5172ee;
$custom-light: #929af4;
$custom-dark: #000000;

JSON

{
  "hex": "#5172ee",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 238
  },
  "hsl": {
    "h": 227.389,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.59457,
    "c": 0.19001,
    "h": 268.8
  },
  "luminance": 0.19957
}

Semantic roles & 50–950 ramp

primary

#5172EE

secondary

#EADEB1

accent

#B107DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5172EE

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

Preview Lab → · Contrast checker → · Palette generator →