#5184E4#5184E4

#5184E4 is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.4% C 0.155 H 261.8°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5184E4
RGB	rgb(81, 132, 228)
HSL	hsl(219, 73%, 61%)
HSV	hsv(219, 64%, 89%)
CMYK	cmyk(64.5%, 42.1%, 0%, 10.6%)
CIE-LAB	lab(55.94, 13.01, -53.87)
CIE-LCH	lch(55.94, 55.42, 283.57°)
OKLab	oklab(62.43% -0.022 -0.1537)
OKLCH	oklch(62.43% 0.155 261.8)
XYZ	xyz(25.6433, 23.8509, 76.6360)
Luminance	0.2385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5184E4 #E4B151

analogous

#51CDE4 #5184E4 #6851E4

triadic

#5184E4 #E45184 #84E451

tetradic

#5184E4 #E451CD #E4B151 #51E468

square

#5184E4 #E451CD #E4B151 #51E468

split-complementary

#5184E4 #E46851 #CDE451

monochromatic

#1948A2 #2160D7 #5184E4 #86A9EC #BBCFF4

Accessibility & contrast

On white

3.64

#5184E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#5184E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5184E4

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5184E4	#FFFFFF	#000000	##000000
##5184E4	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588DE8

Deuteranopia (green-blind)

#4080E2

Tritanopia (blue-blind)

#009AA9

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5184e4;
/* rgb */ color: rgb(81, 132, 228);
/* oklch */ color: oklch(62.4% 0.155 261.8);

Tailwind

colors: {
  custom: {
    50: '#90a7ed',
    500: '#5184e4',
    950: '#000000',
  },
}

SCSS

$custom: #5184e4;
$custom-light: #90a7ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5184e4",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 228
  },
  "hsl": {
    "h": 219.184,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.62433,
    "c": 0.15524,
    "h": 261.8
  },
  "luminance": 0.23853
}

Semantic roles & 50–950 ramp

primary

#5184E4

secondary

#E4D1AC

accent

#9110D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5184E4

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

Preview Lab → · Contrast checker → · Palette generator →