#5180CA#5180CA

#5180CA is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.0% C 0.125 H 259.1°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5180CA
RGB	rgb(81, 128, 202)
HSL	hsl(217, 53%, 55%)
HSV	hsv(217, 60%, 79%)
CMYK	cmyk(59.9%, 36.6%, 0%, 20.8%)
CIE-LAB	lab(53.44, 6.61, -43.20)
CIE-LCH	lch(53.44, 43.70, 278.71°)
OKLab	oklab(60.04% -0.0235 -0.1224)
OKLCH	oklch(60.04% 0.125 259.1)
XYZ	xyz(21.7694, 21.4500, 58.8587)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180CA #CA9B51

analogous

#51BDCA #5180CA #5E51CA

triadic

#5180CA #CA5180 #80CA51

tetradic

#5180CA #CA51BD #CA9B51 #51CA5E

square

#5180CA #CA51BD #CA9B51 #51CA5E

split-complementary

#5180CA #CA5E51 #BDCA51

monochromatic

#25477B #3462AA #5180CA #80A2D8 #AFC4E7

Accessibility & contrast

On white

3.97

#5180CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#5180CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180CA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180CA	#FFFFFF	#000000	##000000
##5180CA	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CD

Deuteranopia (green-blind)

#517AC8

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5180ca;
/* rgb */ color: rgb(81, 128, 202);
/* oklch */ color: oklch(60.0% 0.125 259.1);

Tailwind

colors: {
  custom: {
    50: '#8ca4da',
    500: '#5180ca',
    950: '#000000',
  },
}

SCSS

$custom: #5180ca;
$custom-light: #8ca4da;
$custom-dark: #000000;

JSON

{
  "hex": "#5180ca",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 202
  },
  "hsl": {
    "h": 216.694,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60044,
    "c": 0.12468,
    "h": 259.1
  },
  "luminance": 0.21452
}

Semantic roles & 50–950 ramp

primary

#5180CA

secondary

#D5C1A2

accent

#A44BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5180CA

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

Preview Lab → · Contrast checker → · Palette generator →