#5172D5#5172D5

#5172D5 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.7% C 0.156 H 267.5°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5172D5
RGB	rgb(81, 114, 213)
HSL	hsl(225, 61%, 58%)
HSV	hsv(225, 62%, 84%)
CMYK	cmyk(62%, 46.5%, 0%, 16.5%)
CIE-LAB	lab(50.20, 18.92, -54.61)
CIE-LCH	lch(50.20, 57.79, 289.11°)
OKLab	oklab(57.75% -0.0068 -0.1561)
OKLCH	oklch(57.75% 0.156 267.5)
XYZ	xyz(21.4168, 18.5862, 65.3967)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172D5 #D5B451

analogous

#51B4D5 #5172D5 #7251D5

triadic

#5172D5 #D55172 #72D551

tetradic

#5172D5 #D551B4 #D5B451 #51D572

square

#5172D5 #D551B4 #D5B451 #51D572

split-complementary

#5172D5 #D57251 #B4D551

monochromatic

#213C8A #2D51BC #5172D5 #829AE1 #B4C2ED

Accessibility & contrast

On white

4.45

#5172D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5172D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172D5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172D5	#FFFFFF	#000000	##000000
##5172D5	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417ED9

Deuteranopia (green-blind)

#2A72D3

Tritanopia (blue-blind)

#008999

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5172d5;
/* rgb */ color: rgb(81, 114, 213);
/* oklch */ color: oklch(57.7% 0.156 267.5);

Tailwind

colors: {
  custom: {
    50: '#8e9ae2',
    500: '#5172d5',
    950: '#000000',
  },
}

SCSS

$custom: #5172d5;
$custom-light: #8e9ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#5172d5",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 213
  },
  "hsl": {
    "h": 225,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57745,
    "c": 0.15621,
    "h": 267.5
  },
  "luminance": 0.18588
}

Semantic roles & 50–950 ramp

primary

#5172D5

secondary

#DBCEA6

accent

#BC44E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5172D5

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

Preview Lab → · Contrast checker → · Palette generator →