#5172CF#5172CF

#5172CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.4% C 0.148 H 267.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#5172CF
RGB	rgb(81, 114, 207)
HSL	hsl(224, 57%, 56%)
HSV	hsv(224, 61%, 81%)
CMYK	cmyk(60.9%, 44.9%, 0%, 18.8%)
CIE-LAB	lab(49.84, 16.87, -51.77)
CIE-LCH	lch(49.84, 54.45, 288.05°)
OKLab	oklab(57.36% -0.0077 -0.1477)
OKLCH	oklch(57.36% 0.148 267)
XYZ	xyz(20.6693, 18.2872, 61.4599)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172CF #CFAE51

analogous

#51B1CF #5172CF #6F51CF

triadic

#5172CF #CF5172 #72CF51

tetradic

#5172CF #CF51B1 #CFAE51 #51CF6F

square

#5172CF #CF51B1 #CFAE51 #51CF6F

split-complementary

#5172CF #CF6F51 #B1CF51

monochromatic

#243C82 #3153B2 #5172CF #8199DC #B1C0E9

Accessibility & contrast

On white

4.51

#5172CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#5172CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172CF

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#467DD3

Deuteranopia (green-blind)

#3371CD

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5172cf;
/* rgb */ color: rgb(81, 114, 207);
/* oklch */ color: oklch(57.4% 0.148 267.0);

Tailwind

colors: {
  custom: {
    50: '#8d9ade',
    500: '#5172cf',
    950: '#000000',
  },
}

SCSS

$custom: #5172cf;
$custom-light: #8d9ade;
$custom-dark: #000000;

JSON

{
  "hex": "#5172cf",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 207
  },
  "hsl": {
    "h": 224.286,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57357,
    "c": 0.14792,
    "h": 267
  },
  "luminance": 0.18289
}

Semantic roles & 50–950 ramp

primary

#5172CF

secondary

#D8CAA4

accent

#B848E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5172CF

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

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