#5182D0#5182D0

#5182D0 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 60.8% C 0.131 H 259.3°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5182D0
RGB	rgb(81, 130, 208)
HSL	hsl(217, 57%, 57%)
HSV	hsv(217, 61%, 82%)
CMYK	cmyk(61.1%, 37.5%, 0%, 18.4%)
CIE-LAB	lab(54.31, 7.42, -45.22)
CIE-LCH	lch(54.31, 45.83, 279.32°)
OKLab	oklab(60.82% -0.0242 -0.1283)
OKLCH	oklch(60.82% 0.131 259.3)
XYZ	xyz(22.7571, 22.2666, 62.7609)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182D0 #D09F51

analogous

#51C2D0 #5182D0 #6051D0

triadic

#5182D0 #D05182 #82D051

tetradic

#5182D0 #D051C2 #D09F51 #51D060

square

#5182D0 #D051C2 #D09F51 #51D060

split-complementary

#5182D0 #D06051 #C2D051

monochromatic

#234883 #3063B3 #5182D0 #81A5DD #B1C7EA

Accessibility & contrast

On white

3.85

#5182D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#5182D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182D0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182D0	#FFFFFF	#000000	##000000
##5182D0	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6188D3

Deuteranopia (green-blind)

#4F7CCE

Tritanopia (blue-blind)

#00949F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5182d0;
/* rgb */ color: rgb(81, 130, 208);
/* oklch */ color: oklch(60.8% 0.131 259.3);

Tailwind

colors: {
  custom: {
    50: '#8ca5df',
    500: '#5182d0',
    950: '#000000',
  },
}

SCSS

$custom: #5182d0;
$custom-light: #8ca5df;
$custom-dark: #000000;

JSON

{
  "hex": "#5182d0",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 208
  },
  "hsl": {
    "h": 216.85,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.60821,
    "c": 0.1306,
    "h": 259.3
  },
  "luminance": 0.22269
}

Semantic roles & 50–950 ramp

primary

#5182D0

secondary

#D8C4A4

accent

#A547E1

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5182D0

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

Preview Lab → · Contrast checker → · Palette generator →