#5172DA#5172DA

#5172DA is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.1% C 0.163 H 267.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5172DA
RGB	rgb(81, 114, 218)
HSL	hsl(226, 65%, 59%)
HSV	hsv(226, 63%, 85%)
CMYK	cmyk(62.8%, 47.7%, 0%, 14.5%)
CIE-LAB	lab(50.50, 20.62, -56.95)
CIE-LCH	lch(50.50, 60.57, 289.91°)
OKLab	oklab(58.08% -0.0061 -0.163)
OKLCH	oklch(58.08% 0.163 267.8)
XYZ	xyz(22.0612, 18.8440, 68.7907)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172DA #DAB951

analogous

#51B7DA #5172DA #7451DA

triadic

#5172DA #DA5172 #72DA51

tetradic

#5172DA #DA51B7 #DAB951 #51DA74

square

#5172DA #DA51B7 #DAB951 #51DA74

split-complementary

#5172DA #DA7451 #B7DA51

monochromatic

#1F3B92 #2A4FC4 #5172DA #839BE5 #B6C4EF

Accessibility & contrast

On white

4.40

#5172DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5172DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172DA

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172DA	#FFFFFF	#000000	##000000
##5172DA	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7FDE

Deuteranopia (green-blind)

#2172D8

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5172da;
/* rgb */ color: rgb(81, 114, 218);
/* oklch */ color: oklch(58.1% 0.163 267.8);

Tailwind

colors: {
  custom: {
    50: '#8e9ae6',
    500: '#5172da',
    950: '#000000',
  },
}

SCSS

$custom: #5172da;
$custom-light: #8e9ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#5172da",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 218
  },
  "hsl": {
    "h": 225.547,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.58075,
    "c": 0.16308,
    "h": 267.8
  },
  "luminance": 0.18846
}

Semantic roles & 50–950 ramp

primary

#5172DA

secondary

#DED1A8

accent

#BF40E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5172DA

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

Preview Lab → · Contrast checker → · Palette generator →