#5172E9#5172E9

#5172E9 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.1% C 0.183 H 268.6°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5172E9
RGB	rgb(81, 114, 233)
HSL	hsl(227, 78%, 62%)
HSV	hsv(227, 65%, 91%)
CMYK	cmyk(65.2%, 51.1%, 0%, 8.6%)
CIE-LAB	lab(51.46, 25.77, -63.87)
CIE-LCH	lch(51.46, 68.87, 291.97°)
OKLab	oklab(59.1% -0.0045 -0.1833)
OKLCH	oklch(59.1% 0.183 268.6)
XYZ	xyz(24.1136, 19.6649, 79.5999)
Luminance	0.1967 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172E9 #E9C851

analogous

#51BEE9 #5172E9 #7C51E9

triadic

#5172E9 #E95172 #72E951

tetradic

#5172E9 #E951BE #E9C851 #51E97C

square

#5172E9 #E951BE #E9C851 #51E97C

split-complementary

#5172E9 #E97C51 #BEE951

monochromatic

#1636AA #1C47E0 #5172E9 #879EF0 #BECAF7

Accessibility & contrast

On white

4.26

#5172E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#5172E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172E9

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172E9	#FFFFFF	#000000	##000000
##5172E9	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A82ED

Deuteranopia (green-blind)

#0074E7

Tritanopia (blue-blind)

#008EA3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5172e9;
/* rgb */ color: rgb(81, 114, 233);
/* oklch */ color: oklch(59.1% 0.183 268.6);

Tailwind

colors: {
  custom: {
    50: '#919af1',
    500: '#5172e9',
    950: '#000000',
  },
}

SCSS

$custom: #5172e9;
$custom-light: #919af1;
$custom-dark: #000000;

JSON

{
  "hex": "#5172e9",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 233
  },
  "hsl": {
    "h": 226.974,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.59103,
    "c": 0.18336,
    "h": 268.6
  },
  "luminance": 0.19667
}

Semantic roles & 50–950 ramp

primary

#5172E9

secondary

#E7DBAF

accent

#AD0CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5172E9

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

Preview Lab → · Contrast checker → · Palette generator →