#3784B6#3784B6

#3784B6 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.8% C 0.107 H 240.6°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3784B6
RGB	rgb(55, 132, 182)
HSL	hsl(204, 54%, 46%)
HSV	hsv(204, 70%, 71%)
CMYK	cmyk(69.8%, 27.5%, 0%, 28.6%)
CIE-LAB	lab(52.61, -7.18, -33.16)
CIE-LCH	lch(52.61, 33.93, 257.78°)
OKLab	oklab(58.79% -0.0526 -0.0935)
OKLCH	oklch(58.79% 0.107 240.6)
XYZ	xyz(18.2671, 20.6902, 47.2778)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3784B6 #B66937

analogous

#37B6A9 #3784B6 #3745B6

triadic

#3784B6 #B63784 #84B637

tetradic

#3784B6 #A937B6 #B66937 #45B637

square

#3784B6 #A937B6 #B66937 #45B637

split-complementary

#3784B6 #B63745 #B6A937

monochromatic

#1B4058 #296287 #3784B6 #5CA1CE #8BBCDC

Accessibility & contrast

On white

4.09

#3784B6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3784B6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3784B6

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3784B6	#FFFFFF	#000000	##000000
##3784B6	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D84B8

Deuteranopia (green-blind)

#5C78B5

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3784b6;
/* rgb */ color: rgb(55, 132, 182);
/* oklch */ color: oklch(58.8% 0.107 240.6);

Tailwind

colors: {
  custom: {
    50: '#7da7cc',
    500: '#3784b6',
    950: '#000000',
  },
}

SCSS

$custom: #3784b6;
$custom-light: #7da7cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3784b6",
  "rgb": {
    "r": 55,
    "g": 132,
    "b": 182
  },
  "hsl": {
    "h": 203.622,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.58792,
    "c": 0.10729,
    "h": 240.6
  },
  "luminance": 0.20692
}

Semantic roles & 50–950 ramp

primary

#3784B6

secondary

#C69D82

accent

#844BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3784B6

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

Preview Lab → · Contrast checker → · Palette generator →