#5172DB#5172DB

#5172DB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.1% C 0.164 H 267.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#5172DB
RGB	rgb(81, 114, 219)
HSL	hsl(226, 66%, 59%)
HSV	hsv(226, 63%, 86%)
CMYK	cmyk(63%, 47.9%, 0%, 14.1%)
CIE-LAB	lab(50.57, 20.97, -57.42)
CIE-LCH	lch(50.57, 61.13, 290.06°)
OKLab	oklab(58.14% -0.006 -0.1643)
OKLCH	oklch(58.14% 0.164 267.9)
XYZ	xyz(22.1925, 18.8965, 69.4820)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172DB #DBBA51

analogous

#51B7DB #5172DB #7551DB

triadic

#5172DB #DB5172 #72DB51

tetradic

#5172DB #DB51B7 #DBBA51 #51DB75

square

#5172DB #DB51B7 #DBBA51 #51DB75

split-complementary

#5172DB #DB7551 #B7DB51

monochromatic

#1E3A93 #294EC6 #5172DB #849BE5 #B6C4F0

Accessibility & contrast

On white

4.39

#5172DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#5172DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172DB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172DB	#FFFFFF	#000000	##000000
##5172DB	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7FDF

Deuteranopia (green-blind)

#1F72D9

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5172db;
/* rgb */ color: rgb(81, 114, 219);
/* oklch */ color: oklch(58.1% 0.164 267.9);

Tailwind

colors: {
  custom: {
    50: '#8f9ae7',
    500: '#5172db',
    950: '#000000',
  },
}

SCSS

$custom: #5172db;
$custom-light: #8f9ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#5172db",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 219
  },
  "hsl": {
    "h": 225.652,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.58142,
    "c": 0.16444,
    "h": 267.9
  },
  "luminance": 0.18898
}

Semantic roles & 50–950 ramp

primary

#5172DB

secondary

#DFD2A9

accent

#C03FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5172DB

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

Preview Lab → · Contrast checker → · Palette generator →