#3784D4#3784D4

#3784D4 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.5% C 0.143 H 252.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3784D4
RGB	rgb(55, 132, 212)
HSL	hsl(211, 65%, 52%)
HSV	hsv(211, 74%, 83%)
CMYK	cmyk(74.1%, 37.7%, 0%, 16.9%)
CIE-LAB	lab(54.10, 3.48, -47.88)
CIE-LCH	lch(54.10, 48.01, 274.16°)
OKLab	oklab(60.45% -0.044 -0.1365)
OKLCH	oklch(60.45% 0.143 252.1)
XYZ	xyz(21.7060, 22.0657, 65.3897)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784D4 #D48737

analogous

#37D3D4 #3784D4 #3837D4

triadic

#3784D4 #D43784 #84D437

tetradic

#3784D4 #D437D3 #D48737 #37D438

square

#3784D4 #D437D3 #D48737 #37D438

split-complementary

#3784D4 #D43837 #D3D437

monochromatic

#1A4777 #2466A9 #3784D4 #69A3DF #9CC2EA

Accessibility & contrast

On white

3.88

#3784D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#3784D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784D4

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784D4	#FFFFFF	#000000	##000000
##3784D4	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F89D7

Deuteranopia (green-blind)

#477BD2

Tritanopia (blue-blind)

#0097A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3784d4;
/* rgb */ color: rgb(55, 132, 212);
/* oklch */ color: oklch(60.5% 0.143 252.1);

Tailwind

colors: {
  custom: {
    50: '#82a7e1',
    500: '#3784d4',
    950: '#000000',
  },
}

SCSS

$custom: #3784d4;
$custom-light: #82a7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3784d4",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 212
  },
  "hsl": {
    "h": 210.573,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.6045,
    "c": 0.14338,
    "h": 252.1
  },
  "luminance": 0.22068
}

Semantic roles & 50–950 ramp

primary

#3784D4

secondary

#D6B491

accent

#9540E8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3784D4

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

Preview Lab → · Contrast checker → · Palette generator →