#5182CD#5182CD

#5182CD is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.7% C 0.127 H 258.6°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#5182CD
RGB	rgb(81, 130, 205)
HSL	hsl(216, 55%, 56%)
HSV	hsv(216, 60%, 80%)
CMYK	cmyk(60.5%, 36.6%, 0%, 19.6%)
CIE-LAB	lab(54.15, 6.42, -43.77)
CIE-LCH	lch(54.15, 44.24, 278.34°)
OKLab	oklab(60.65% -0.0249 -0.1241)
OKLCH	oklch(60.65% 0.127 258.6)
XYZ	xyz(22.3915, 22.1204, 60.8354)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182CD #CD9C51

analogous

#51C0CD #5182CD #5E51CD

triadic

#5182CD #CD5182 #82CD51

tetradic

#5182CD #CD51C0 #CD9C51 #51CD5E

square

#5182CD #CD51C0 #CD9C51 #51CD5E

split-complementary

#5182CD #CD5E51 #C0CD51

monochromatic

#25487F #3263AF #5182CD #81A4DB #B0C6E8

Accessibility & contrast

On white

3.87

#5182CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#5182CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182CD

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182CD	#FFFFFF	#000000	##000000
##5182CD	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6288D0

Deuteranopia (green-blind)

#517CCB

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5182cd;
/* rgb */ color: rgb(81, 130, 205);
/* oklch */ color: oklch(60.7% 0.127 258.6);

Tailwind

colors: {
  custom: {
    50: '#8ca5dc',
    500: '#5182cd',
    950: '#000000',
  },
}

SCSS

$custom: #5182cd;
$custom-light: #8ca5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5182cd",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 205
  },
  "hsl": {
    "h": 216.29,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60651,
    "c": 0.12657,
    "h": 258.6
  },
  "luminance": 0.22122
}

Semantic roles & 50–950 ramp

primary

#5182CD

secondary

#D7C2A3

accent

#A449DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5182CD

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

Preview Lab → · Contrast checker → · Palette generator →