#3786D0#3786D0

#3786D0 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.7% C 0.136 H 249.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3786D0
RGB	rgb(55, 134, 208)
HSL	hsl(209, 62%, 52%)
HSV	hsv(209, 74%, 82%)
CMYK	cmyk(73.6%, 35.6%, 0%, 18.4%)
CIE-LAB	lab(54.46, 0.84, -45.04)
CIE-LCH	lch(54.46, 45.05, 271.07°)
OKLab	oklab(60.67% -0.0468 -0.1281)
OKLCH	oklch(60.67% 0.136 249.9)
XYZ	xyz(21.4815, 22.4140, 62.8565)
Luminance	0.2242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786D0 #D08137

analogous

#37D0CE #3786D0 #373AD0

triadic

#3786D0 #D03786 #86D037

tetradic

#3786D0 #CE37D0 #D08137 #3AD037

square

#3786D0 #CE37D0 #D08137 #3AD037

split-complementary

#3786D0 #D0373A #D0CE37

monochromatic

#1B4872 #2667A3 #3786D0 #69A4DC #9AC2E7

Accessibility & contrast

On white

3.83

#3786D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3786D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786D0

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786D0	#FFFFFF	#000000	##000000
##3786D0	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648AD3

Deuteranopia (green-blind)

#4E7CCF

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3786d0;
/* rgb */ color: rgb(55, 134, 208);
/* oklch */ color: oklch(60.7% 0.136 249.9);

Tailwind

colors: {
  custom: {
    50: '#81a8df',
    500: '#3786d0',
    950: '#000000',
  },
}

SCSS

$custom: #3786d0;
$custom-light: #81a8df;
$custom-dark: #000000;

JSON

{
  "hex": "#3786d0",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 208
  },
  "hsl": {
    "h": 209.02,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.60669,
    "c": 0.13641,
    "h": 249.9
  },
  "luminance": 0.22416
}

Semantic roles & 50–950 ramp

primary

#3786D0

secondary

#D3B090

accent

#9143E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3786D0

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

Preview Lab → · Contrast checker → · Palette generator →