#5172BF#5172BF

#5172BF is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.4% C 0.126 H 265.1°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#5172BF
RGB	rgb(81, 114, 191)
HSL	hsl(222, 46%, 53%)
HSV	hsv(222, 58%, 75%)
CMYK	cmyk(57.6%, 40.3%, 0%, 25.1%)
CIE-LAB	lab(48.94, 11.48, -44.04)
CIE-LCH	lch(48.94, 45.51, 284.61°)
OKLab	oklab(56.37% -0.0107 -0.1251)
OKLCH	oklch(56.37% 0.126 265.1)
XYZ	xyz(18.8114, 17.5440, 51.6751)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172BF #BF9E51

analogous

#51A9BF #5172BF #6751BF

triadic

#5172BF #BF5172 #72BF51

tetradic

#5172BF #BF51A9 #BF9E51 #51BF67

square

#5172BF #BF51A9 #BF9E51 #51BF67

split-complementary

#5172BF #BF6751 #A9BF51

monochromatic

#283D6D #39569A #5172BF #7E96CF #AABBE0

Accessibility & contrast

On white

4.66

#5172BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#5172BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5172BF

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172BF	#FFFFFF	#000000	##FFFFFF
##5172BF	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517AC2

Deuteranopia (green-blind)

#4370BD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5172bf;
/* rgb */ color: rgb(81, 114, 191);
/* oklch */ color: oklch(56.4% 0.126 265.1);

Tailwind

colors: {
  custom: {
    50: '#8a9ad3',
    500: '#5172bf',
    950: '#000000',
  },
}

SCSS

$custom: #5172bf;
$custom-light: #8a9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#5172bf",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 191
  },
  "hsl": {
    "h": 222,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56368,
    "c": 0.12551,
    "h": 265.1
  },
  "luminance": 0.17546
}

Semantic roles & 50–950 ramp

primary

#5172BF

secondary

#CEBF9E

accent

#AE52D6

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #5172BF

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

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