#5172CE#5172CE

#5172CE is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.147 H 266.9°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#5172CE
RGB	rgb(81, 114, 206)
HSL	hsl(224, 56%, 56%)
HSV	hsv(224, 61%, 81%)
CMYK	cmyk(60.7%, 44.7%, 0%, 19.2%)
CIE-LAB	lab(49.78, 16.53, -51.29)
CIE-LCH	lch(49.78, 53.89, 287.87°)
OKLab	oklab(57.29% -0.0079 -0.1463)
OKLCH	oklch(57.29% 0.147 266.9)
XYZ	xyz(20.5474, 18.2384, 60.8181)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172CE #CEAD51

analogous

#51B1CE #5172CE #6F51CE

triadic

#5172CE #CE5172 #72CE51

tetradic

#5172CE #CE51B1 #CEAD51 #51CE6F

square

#5172CE #CE51B1 #CEAD51 #51CE6F

split-complementary

#5172CE #CE6F51 #B1CE51

monochromatic

#243D80 #3253B0 #5172CE #8199DB #B1BFE9

Accessibility & contrast

On white

4.52

#5172CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#5172CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172CE

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172CE	#FFFFFF	#000000	##000000
##5172CE	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477CD1

Deuteranopia (green-blind)

#3471CC

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5172ce;
/* rgb */ color: rgb(81, 114, 206);
/* oklch */ color: oklch(57.3% 0.147 266.9);

Tailwind

colors: {
  custom: {
    50: '#8c9add',
    500: '#5172ce',
    950: '#000000',
  },
}

SCSS

$custom: #5172ce;
$custom-light: #8c9add;
$custom-dark: #000000;

JSON

{
  "hex": "#5172ce",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 206
  },
  "hsl": {
    "h": 224.16,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57293,
    "c": 0.14653,
    "h": 266.9
  },
  "luminance": 0.1824
}

Semantic roles & 50–950 ramp

primary

#5172CE

secondary

#D7CAA4

accent

#B848DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5172CE

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

Preview Lab → · Contrast checker → · Palette generator →