#5182E4#5182E4

#5182E4 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.0% C 0.158 H 262.7°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#5182E4
RGB	rgb(81, 130, 228)
HSL	hsl(220, 73%, 61%)
HSV	hsv(220, 64%, 89%)
CMYK	cmyk(64.5%, 43%, 0%, 10.6%)
CIE-LAB	lab(55.39, 14.22, -54.74)
CIE-LCH	lch(55.39, 56.56, 284.56°)
OKLab	oklab(62.01% -0.0201 -0.1562)
OKLCH	oklch(62.01% 0.158 262.7)
XYZ	xyz(25.3746, 23.3136, 76.5465)
Luminance	0.2332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182E4 #E4B351

analogous

#51CBE4 #5182E4 #6951E4

triadic

#5182E4 #E45182 #82E451

tetradic

#5182E4 #E451CB #E4B351 #51E469

square

#5182E4 #E451CB #E4B351 #51E469

split-complementary

#5182E4 #E46951 #CBE451

monochromatic

#1947A2 #215ED7 #5182E4 #86A8EC #BBCEF4

Accessibility & contrast

On white

3.71

#5182E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#5182E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182E4

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182E4	#FFFFFF	#000000	##000000
##5182E4	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548CE8

Deuteranopia (green-blind)

#3C7EE2

Tritanopia (blue-blind)

#0098A8

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5182e4;
/* rgb */ color: rgb(81, 130, 228);
/* oklch */ color: oklch(62.0% 0.158 262.7);

Tailwind

colors: {
  custom: {
    50: '#90a5ed',
    500: '#5182e4',
    950: '#000000',
  },
}

SCSS

$custom: #5182e4;
$custom-light: #90a5ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5182e4",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 228
  },
  "hsl": {
    "h": 220,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.62013,
    "c": 0.15753,
    "h": 262.7
  },
  "luminance": 0.23316
}

Semantic roles & 50–950 ramp

primary

#5182E4

secondary

#E4D2AC

accent

#9410D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5182E4

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

Preview Lab → · Contrast checker → · Palette generator →