#5184CC#5184CC

#5184CC is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.0% C 0.123 H 257.2°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#5184CC
RGB	rgb(81, 132, 204)
HSL	hsl(215, 55%, 56%)
HSV	hsv(215, 60%, 80%)
CMYK	cmyk(60.3%, 35.3%, 0%, 20%)
CIE-LAB	lab(54.67, 4.88, -42.39)
CIE-LCH	lch(54.67, 42.67, 276.57°)
OKLab	oklab(61.03% -0.0273 -0.12)
OKLCH	oklch(61.03% 0.123 257.2)
XYZ	xyz(22.5398, 22.6095, 60.2913)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5184CC #CC9951

analogous

#51C1CC #5184CC #5B51CC

triadic

#5184CC #CC5184 #84CC51

tetradic

#5184CC #CC51C1 #CC9951 #51CC5B

square

#5184CC #CC51C1 #CC9951 #51CC5B

split-complementary

#5184CC #CC5B51 #C1CC51

monochromatic

#254A7E #3365AD #5184CC #80A5DA #B0C7E8

Accessibility & contrast

On white

3.80

#5184CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#5184CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5184CC

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5184CC	#FFFFFF	#000000	##000000
##5184CC	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6689CF

Deuteranopia (green-blind)

#557DCB

Tritanopia (blue-blind)

#00949E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5184cc;
/* rgb */ color: rgb(81, 132, 204);
/* oklch */ color: oklch(61.0% 0.123 257.2);

Tailwind

colors: {
  custom: {
    50: '#8ca7dc',
    500: '#5184cc',
    950: '#000000',
  },
}

SCSS

$custom: #5184cc;
$custom-light: #8ca7dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5184cc",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 204
  },
  "hsl": {
    "h": 215.122,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.61034,
    "c": 0.12311,
    "h": 257.2
  },
  "luminance": 0.22611
}

Semantic roles & 50–950 ramp

primary

#5184CC

secondary

#D6C1A3

accent

#A14ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5184CC

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

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