#5172AF#5172AF

#5172AF is a mid, moderate blue. Relative luminance 0.169; OKLCH L 55.5% C 0.103 H 262.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#5172AF
RGB	rgb(81, 114, 175)
HSL	hsl(219, 37%, 50%)
HSV	hsv(219, 54%, 69%)
CMYK	cmyk(53.7%, 34.9%, 0%, 31.4%)
CIE-LAB	lab(48.11, 6.20, -36.10)
CIE-LCH	lch(48.11, 36.63, 279.74°)
OKLab	oklab(55.45% -0.0144 -0.1018)
OKLCH	oklch(55.45% 0.103 262)
XYZ	xyz(17.1459, 16.8778, 42.9034)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172AF #AF8E51

analogous

#51A1AF #5172AF #5F51AF

triadic

#5172AF #AF5172 #72AF51

tetradic

#5172AF #AF51A1 #AF8E51 #51AF5F

square

#5172AF #AF51A1 #AF8E51 #51AF5F

split-complementary

#5172AF #AF5F51 #A1AF51

monochromatic

#2A3B5C #3D5785 #5172AF #7B94C2 #A5B6D6

Accessibility & contrast

On white

4.80

#5172AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#5172AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5172AF

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172AF	#FFFFFF	#000000	##FFFFFF
##5172AF	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A77B2

Deuteranopia (green-blind)

#4F6EAE

Tritanopia (blue-blind)

#1F7F88

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5172af;
/* rgb */ color: rgb(81, 114, 175);
/* oklch */ color: oklch(55.5% 0.103 262.0);

Tailwind

colors: {
  custom: {
    50: '#889ac7',
    500: '#5172af',
    950: '#000000',
  },
}

SCSS

$custom: #5172af;
$custom-light: #889ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#5172af",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 175
  },
  "hsl": {
    "h": 218.936,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55452,
    "c": 0.10286,
    "h": 262
  },
  "luminance": 0.16879
}

Semantic roles & 50–950 ramp

primary

#5172AF

secondary

#C3B499

accent

#A55BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5172AF

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

Preview Lab → · Contrast checker → · Palette generator →