#5182E1#5182E1

#5182E1 is a mid, vivid blue. Relative luminance 0.232; OKLCH L 61.8% C 0.153 H 262.3°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#5182E1
RGB	rgb(81, 130, 225)
HSL	hsl(220, 71%, 60%)
HSV	hsv(220, 64%, 88%)
CMYK	cmyk(64%, 42.2%, 0%, 11.8%)
CIE-LAB	lab(55.23, 13.19, -53.33)
CIE-LCH	lch(55.23, 54.94, 283.89°)
OKLab	oklab(61.83% -0.0206 -0.1521)
OKLCH	oklch(61.83% 0.154 262.3)
XYZ	xyz(24.9618, 23.1485, 74.3722)
Luminance	0.2315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182E1 #E1B051

analogous

#51CAE1 #5182E1 #6851E1

triadic

#5182E1 #E15182 #82E151

tetradic

#5182E1 #E151CA #E1B051 #51E168

square

#5182E1 #E151CA #E1B051 #51E168

split-complementary

#5182E1 #E16851 #CAE151

monochromatic

#1B479D #245FD1 #5182E1 #85A8EA #B9CDF3

Accessibility & contrast

On white

3.73

#5182E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#5182E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182E1

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182E1	#FFFFFF	#000000	##000000
##5182E1	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#568BE5

Deuteranopia (green-blind)

#407EDF

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5182e1;
/* rgb */ color: rgb(81, 130, 225);
/* oklch */ color: oklch(61.8% 0.153 262.3);

Tailwind

colors: {
  custom: {
    50: '#8fa5eb',
    500: '#5182e1',
    950: '#000000',
  },
}

SCSS

$custom: #5182e1;
$custom-light: #8fa5eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5182e1",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 225
  },
  "hsl": {
    "h": 219.583,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.61828,
    "c": 0.1535,
    "h": 262.3
  },
  "luminance": 0.23151
}

Semantic roles & 50–950 ramp

primary

#5182E1

secondary

#E3D0AB

accent

#B03AED

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5182E1

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

Preview Lab → · Contrast checker → · Palette generator →