#5184CB#5184CB

#5184CB is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 61.0% C 0.122 H 256.9°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5184CB
RGB	rgb(81, 132, 203)
HSL	hsl(215, 54%, 56%)
HSV	hsv(215, 60%, 80%)
CMYK	cmyk(60.1%, 35%, 0%, 20.4%)
CIE-LAB	lab(54.62, 4.55, -41.90)
CIE-LCH	lch(54.62, 42.15, 276.20°)
OKLab	oklab(60.98% -0.0275 -0.1186)
OKLCH	oklch(60.98% 0.122 256.9)
XYZ	xyz(22.4203, 22.5617, 59.6617)
Luminance	0.2256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5184CB #CB9851

analogous

#51C1CB #5184CB #5B51CB

triadic

#5184CB #CB5184 #84CB51

tetradic

#5184CB #CB51C1 #CB9851 #51CB5B

square

#5184CB #CB51C1 #CB9851 #51CB5B

split-complementary

#5184CB #CB5B51 #C1CB51

monochromatic

#254A7C #3366AC #5184CB #80A5D9 #AFC7E7

Accessibility & contrast

On white

3.81

#5184CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#5184CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5184CB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5184CB	#FFFFFF	#000000	##000000
##5184CB	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6689CE

Deuteranopia (green-blind)

#567DCA

Tritanopia (blue-blind)

#00949E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5184cb;
/* rgb */ color: rgb(81, 132, 203);
/* oklch */ color: oklch(61.0% 0.122 256.9);

Tailwind

colors: {
  custom: {
    50: '#8ca7db',
    500: '#5184cb',
    950: '#000000',
  },
}

SCSS

$custom: #5184cb;
$custom-light: #8ca7db;
$custom-dark: #000000;

JSON

{
  "hex": "#5184cb",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 203
  },
  "hsl": {
    "h": 214.918,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.60979,
    "c": 0.12178,
    "h": 256.9
  },
  "luminance": 0.22564
}

Semantic roles & 50–950 ramp

primary

#5184CB

secondary

#D5C0A3

accent

#A04ADD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5184CB

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

Preview Lab → · Contrast checker → · Palette generator →