#5172CD#5172CD

#5172CD is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.145 H 266.8°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#5172CD
RGB	rgb(81, 114, 205)
HSL	hsl(224, 55%, 56%)
HSV	hsv(224, 60%, 80%)
CMYK	cmyk(60.5%, 44.4%, 0%, 19.6%)
CIE-LAB	lab(49.73, 16.19, -50.81)
CIE-LCH	lch(49.73, 53.33, 287.68°)
OKLab	oklab(57.23% -0.008 -0.1449)
OKLCH	oklch(57.23% 0.145 266.8)
XYZ	xyz(20.4263, 18.1900, 60.1804)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172CD #CDAC51

analogous

#51B0CD #5172CD #6E51CD

triadic

#5172CD #CD5172 #72CD51

tetradic

#5172CD #CD51B0 #CDAC51 #51CD6E

square

#5172CD #CD51B0 #CDAC51 #51CD6E

split-complementary

#5172CD #CD6E51 #B0CD51

monochromatic

#253D7F #3253AF #5172CD #8199DB #B0BFE8

Accessibility & contrast

On white

4.53

#5172CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#5172CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172CD

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172CD	#FFFFFF	#000000	##000000
##5172CD	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CD0

Deuteranopia (green-blind)

#3571CB

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5172cd;
/* rgb */ color: rgb(81, 114, 205);
/* oklch */ color: oklch(57.2% 0.145 266.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5172cd",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 205
  },
  "hsl": {
    "h": 224.032,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5723,
    "c": 0.14513,
    "h": 266.8
  },
  "luminance": 0.18192
}

Semantic roles & 50–950 ramp

primary

#5172CD

secondary

#D7C9A3

accent

#B749DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5172CD

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

Preview Lab → · Contrast checker → · Palette generator →