#5172E7#5172E7

#5172E7 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.0% C 0.181 H 268.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#5172E7
RGB	rgb(81, 114, 231)
HSL	hsl(227, 76%, 61%)
HSV	hsv(227, 65%, 91%)
CMYK	cmyk(64.9%, 50.6%, 0%, 9.4%)
CIE-LAB	lab(51.33, 25.08, -62.95)
CIE-LCH	lch(51.33, 67.77, 291.72°)
OKLab	oklab(58.96% -0.0047 -0.1806)
OKLCH	oklch(58.96% 0.181 268.5)
XYZ	xyz(23.8295, 19.5513, 78.1038)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5172E7 #E7C651

analogous

#51BDE7 #5172E7 #7B51E7

triadic

#5172E7 #E75172 #72E751

tetradic

#5172E7 #E751BD #E7C651 #51E77B

square

#5172E7 #E751BD #E7C651 #51E77B

split-complementary

#5172E7 #E77B51 #BDE751

monochromatic

#1737A7 #1E48DC #5172E7 #879EEE #BDC9F6

Accessibility & contrast

On white

4.28

#5172E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#5172E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5172E7

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5172E7	#FFFFFF	#000000	##000000
##5172E7	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D81EB

Deuteranopia (green-blind)

#0074E5

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5172e7;
/* rgb */ color: rgb(81, 114, 231);
/* oklch */ color: oklch(59.0% 0.181 268.5);

Tailwind

colors: {
  custom: {
    50: '#919aef',
    500: '#5172e7',
    950: '#000000',
  },
}

SCSS

$custom: #5172e7;
$custom-light: #919aef;
$custom-dark: #000000;

JSON

{
  "hex": "#5172e7",
  "rgb": {
    "r": 81,
    "g": 114,
    "b": 231
  },
  "hsl": {
    "h": 226.8,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58963,
    "c": 0.18068,
    "h": 268.5
  },
  "luminance": 0.19553
}

Semantic roles & 50–950 ramp

primary

#5172E7

secondary

#E6DAAE

accent

#AB0ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5172E7

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

Preview Lab → · Contrast checker → · Palette generator →