#5172D2#5172D2

#5172D2 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.6% C 0.152 H 267.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#5172D2
RGB	rgb(81, 114, 210)
HSL	hsl(225, 59%, 57%)
HSV	hsv(225, 61%, 82%)
CMYK	cmyk(61.4%, 45.7%, 0%, 17.6%)
CIE-LAB	lab(50.02, 17.89, -53.19)
CIE-LCH	lch(50.02, 56.12, 288.59°)
OKLab	oklab(57.55% -0.0073 -0.1519)
OKLCH	oklch(57.55% 0.152 267.3)
XYZ	xyz(21.0395, 18.4353, 63.4099)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172D2 #D2B151

analogous

#51B3D2 #5172D2 #7151D2

triadic

#5172D2 #D25172 #72D251

tetradic

#5172D2 #D251B3 #D2B151 #51D271

square

#5172D2 #D251B3 #D2B151 #51D271

split-complementary

#5172D2 #D27151 #B3D251

monochromatic

#233C86 #2F52B7 #5172D2 #8299DF #B2C1EB

Accessibility & contrast

On white

4.48

#5172D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#5172D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172D2

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172D2	#FFFFFF	#000000	##000000
##5172D2	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#447DD6

Deuteranopia (green-blind)

#2F72D0

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5172d2;
/* rgb */ color: rgb(81, 114, 210);
/* oklch */ color: oklch(57.6% 0.152 267.3);

Tailwind

colors: {
  custom: {
    50: '#8d9ae0',
    500: '#5172d2',
    950: '#000000',
  },
}

SCSS

$custom: #5172d2;
$custom-light: #8d9ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#5172d2",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 210
  },
  "hsl": {
    "h": 224.651,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.5755,
    "c": 0.15207,
    "h": 267.3
  },
  "luminance": 0.18437
}

Semantic roles & 50–950 ramp

primary

#5172D2

secondary

#DACCA5

accent

#BA46E2

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5172D2

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

Preview Lab → · Contrast checker → · Palette generator →