#3784A4#3784A4

#3784A4 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 57.9% C 0.089 H 228.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3784A4
RGB	rgb(55, 132, 164)
HSL	hsl(198, 50%, 43%)
HSV	hsv(198, 66%, 64%)
CMYK	cmyk(66.5%, 19.5%, 0%, 35.7%)
CIE-LAB	lab(51.83, -13.30, -23.99)
CIE-LCH	lch(51.83, 27.43, 240.99°)
OKLab	oklab(57.92% -0.059 -0.0671)
OKLCH	oklch(57.92% 0.089 228.7)
XYZ	xyz(16.5250, 19.9933, 38.1030)
Luminance	0.1999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784A4 #A45737

analogous

#37A48E #3784A4 #374DA4

triadic

#3784A4 #A43784 #84A437

tetradic

#3784A4 #8E37A4 #A45737 #4DA437

square

#3784A4 #8E37A4 #A45737 #4DA437

split-complementary

#3784A4 #A4374D #A48E37

monochromatic

#183A48 #285F76 #3784A4 #53A4C5 #81BCD5

Accessibility & contrast

On white

4.20

#3784A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#3784A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784A4

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784A4	#FFFFFF	#000000	##000000
##3784A4	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7382A6

Deuteranopia (green-blind)

#6477A4

Tritanopia (blue-blind)

#008D8E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3784a4;
/* rgb */ color: rgb(55, 132, 164);
/* oklch */ color: oklch(57.9% 0.089 228.7);

Tailwind

colors: {
  custom: {
    50: '#7aa7bf',
    500: '#3784a4',
    950: '#000000',
  },
}

SCSS

$custom: #3784a4;
$custom-light: #7aa7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3784a4",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 164
  },
  "hsl": {
    "h": 197.615,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.57915,
    "c": 0.08934,
    "h": 228.7
  },
  "luminance": 0.19995
}

Semantic roles & 50–950 ramp

primary

#3784A4

secondary

#BE8D79

accent

#774FD9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3784A4

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

Preview Lab → · Contrast checker → · Palette generator →