#3786CC#3786CC

#3786CC is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.4% C 0.131 H 248.6°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3786CC
RGB	rgb(55, 134, 204)
HSL	hsl(208, 59%, 51%)
HSV	hsv(208, 73%, 80%)
CMYK	cmyk(73%, 34.3%, 0%, 20%)
CIE-LAB	lab(54.26, -0.59, -43.10)
CIE-LCH	lch(54.26, 43.11, 269.21°)
OKLab	oklab(60.44% -0.0479 -0.1224)
OKLCH	oklch(60.44% 0.131 248.6)
XYZ	xyz(20.9956, 22.2197, 60.2973)
Luminance	0.2222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786CC #CC7D37

analogous

#37CCC8 #3786CC #373BCC

triadic

#3786CC #CC3786 #86CC37

tetradic

#3786CC #C837CC #CC7D37 #3BCC37

square

#3786CC #C837CC #CC7D37 #3BCC37

split-complementary

#3786CC #CC373B #CCC837

monochromatic

#1C476D #28669E #3786CC #68A4D8 #99C1E5

Accessibility & contrast

On white

3.86

#3786CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#3786CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786CC

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786CC	#FFFFFF	#000000	##000000
##3786CC	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6689CF

Deuteranopia (green-blind)

#517BCB

Tritanopia (blue-blind)

#00979F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3786cc;
/* rgb */ color: rgb(55, 134, 204);
/* oklch */ color: oklch(60.4% 0.131 248.6);

Tailwind

colors: {
  custom: {
    50: '#81a8dc',
    500: '#3786cc',
    950: '#000000',
  },
}

SCSS

$custom: #3786cc;
$custom-light: #81a8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3786cc",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 204
  },
  "hsl": {
    "h": 208.188,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.60442,
    "c": 0.13149,
    "h": 248.6
  },
  "luminance": 0.22222
}

Semantic roles & 50–950 ramp

primary

#3786CC

secondary

#D0AD8E

accent

#8F45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3786CC

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

Preview Lab → · Contrast checker → · Palette generator →