#5178F2#5178F2

#5178F2 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.9% C 0.188 H 267.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5178F2
RGB	rgb(81, 120, 242)
HSL	hsl(225, 86%, 63%)
HSV	hsv(225, 67%, 95%)
CMYK	cmyk(66.5%, 50.4%, 0%, 5.1%)
CIE-LAB	lab(53.59, 25.16, -65.45)
CIE-LCH	lch(53.59, 70.12, 291.03°)
OKLab	oklab(60.91% -0.0089 -0.1879)
OKLCH	oklch(60.91% 0.188 267.3)
XYZ	xyz(26.1313, 21.5906, 86.7775)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178F2 #F2CB51

analogous

#51C8F2 #5178F2 #7A51F2

triadic

#5178F2 #F25178 #78F251

tetradic

#5178F2 #F251C8 #F2CB51 #51F27A

square

#5178F2 #F251C8 #F2CB51 #51F27A

split-complementary

#5178F2 #F27A51 #C8F251

monochromatic

#0E38BB #184CEE #5178F2 #8AA4F6 #C3D0FB

Accessibility & contrast

On white

3.95

#5178F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#5178F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178F2

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178F2	#FFFFFF	#000000	##000000
##5178F2	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F88F6

Deuteranopia (green-blind)

#0079F0

Tritanopia (blue-blind)

#0095AA

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5178f2;
/* rgb */ color: rgb(81, 120, 242);
/* oklch */ color: oklch(60.9% 0.188 267.3);

Tailwind

colors: {
  custom: {
    50: '#929ef7',
    500: '#5178f2',
    950: '#000000',
  },
}

SCSS

$custom: #5178f2;
$custom-light: #929ef7;
$custom-dark: #000000;

JSON

{
  "hex": "#5178f2",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 242
  },
  "hsl": {
    "h": 225.466,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.60906,
    "c": 0.18808,
    "h": 267.3
  },
  "luminance": 0.21593
}

Semantic roles & 50–950 ramp

primary

#5178F2

secondary

#ECDEB3

accent

#AC03E3

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5178F2

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

Preview Lab → · Contrast checker → · Palette generator →