#5182DA#5182DA

#5182DA is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.4% C 0.144 H 261.2°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#5182DA
RGB	rgb(81, 130, 218)
HSL	hsl(219, 65%, 59%)
HSV	hsv(219, 63%, 85%)
CMYK	cmyk(62.8%, 40.4%, 0%, 14.5%)
CIE-LAB	lab(54.84, 10.80, -50.02)
CIE-LCH	lch(54.84, 51.17, 282.19°)
OKLab	oklab(61.41% -0.022 -0.1424)
OKLCH	oklch(61.41% 0.144 261.2)
XYZ	xyz(24.0264, 22.7743, 69.4458)
Luminance	0.2278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182DA #DAA951

analogous

#51C6DA #5182DA #6451DA

triadic

#5182DA #DA5182 #82DA51

tetradic

#5182DA #DA51C6 #DAA951 #51DA64

square

#5182DA #DA51C6 #DAA951 #51DA64

split-complementary

#5182DA #DA6451 #C6DA51

monochromatic

#1F4892 #2A61C4 #5182DA #83A6E5 #B6CBEF

Accessibility & contrast

On white

3.78

#5182DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#5182DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182DA

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182DA	#FFFFFF	#000000	##000000
##5182DA	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8ADD

Deuteranopia (green-blind)

#477DD8

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5182da;
/* rgb */ color: rgb(81, 130, 218);
/* oklch */ color: oklch(61.4% 0.144 261.2);

Tailwind

colors: {
  custom: {
    50: '#8ea5e6',
    500: '#5182da',
    950: '#000000',
  },
}

SCSS

$custom: #5182da;
$custom-light: #8ea5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5182da",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 218
  },
  "hsl": {
    "h": 218.54,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.61405,
    "c": 0.14408,
    "h": 261.2
  },
  "luminance": 0.22777
}

Semantic roles & 50–950 ramp

primary

#5182DA

secondary

#DECBA8

accent

#AC40E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5182DA

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

Preview Lab → · Contrast checker → · Palette generator →