#5180CD#5180CD

#5180CD is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.2% C 0.129 H 259.8°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5180CD
RGB	rgb(81, 128, 205)
HSL	hsl(217, 55%, 56%)
HSV	hsv(217, 60%, 80%)
CMYK	cmyk(60.5%, 37.6%, 0%, 19.6%)
CIE-LAB	lab(53.59, 7.62, -44.66)
CIE-LCH	lch(53.59, 45.30, 279.68°)
OKLab	oklab(60.21% -0.0228 -0.1267)
OKLCH	oklch(60.21% 0.129 259.8)
XYZ	xyz(22.1281, 21.5935, 60.7476)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180CD #CD9E51

analogous

#51BECD #5180CD #6051CD

triadic

#5180CD #CD5180 #80CD51

tetradic

#5180CD #CD51BE #CD9E51 #51CD60

square

#5180CD #CD51BE #CD9E51 #51CD60

split-complementary

#5180CD #CD6051 #BECD51

monochromatic

#25477F #3261AF #5180CD #81A3DB #B0C5E8

Accessibility & contrast

On white

3.95

#5180CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#5180CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180CD

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180CD	#FFFFFF	#000000	##000000
##5180CD	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F86D0

Deuteranopia (green-blind)

#4E7BCB

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5180cd;
/* rgb */ color: rgb(81, 128, 205);
/* oklch */ color: oklch(60.2% 0.129 259.8);

Tailwind

colors: {
  custom: {
    50: '#8ca4dc',
    500: '#5180cd',
    950: '#000000',
  },
}

SCSS

$custom: #5180cd;
$custom-light: #8ca4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5180cd",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 205
  },
  "hsl": {
    "h": 217.258,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60214,
    "c": 0.12874,
    "h": 259.8
  },
  "luminance": 0.21595
}

Semantic roles & 50–950 ramp

primary

#5180CD

secondary

#D7C3A3

accent

#A649DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5180CD

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

Preview Lab → · Contrast checker → · Palette generator →