#3786C7#3786C7

#3786C7 is a mid, vivid cyan. Relative luminance 0.220; OKLCH L 60.2% C 0.125 H 246.8°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3786C7
RGB	rgb(55, 134, 199)
HSL	hsl(207, 57%, 50%)
HSV	hsv(207, 72%, 78%)
CMYK	cmyk(72.4%, 32.7%, 0%, 22%)
CIE-LAB	lab(54.01, -2.37, -40.66)
CIE-LCH	lch(54.01, 40.73, 266.66°)
OKLab	oklab(60.16% -0.0493 -0.1153)
OKLCH	oklch(60.16% 0.125 246.8)
XYZ	xyz(20.4055, 21.9837, 57.1896)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786C7 #C77837

analogous

#37C7C0 #3786C7 #373EC7

triadic

#3786C7 #C73786 #86C737

tetradic

#3786C7 #C037C7 #C77837 #3EC737

square

#3786C7 #C037C7 #C77837 #3EC737

split-complementary

#3786C7 #C7373E #C7C037

monochromatic

#1C4567 #2A6697 #3786C7 #66A3D5 #96C0E2

Accessibility & contrast

On white

3.89

#3786C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#3786C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786C7

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786C7	#FFFFFF	#000000	##000000
##3786C7	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6889CA

Deuteranopia (green-blind)

#547BC6

Tritanopia (blue-blind)

#00969D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3786c7;
/* rgb */ color: rgb(55, 134, 199);
/* oklch */ color: oklch(60.2% 0.125 246.8);

Tailwind

colors: {
  custom: {
    50: '#80a8d8',
    500: '#3786c7',
    950: '#000000',
  },
}

SCSS

$custom: #3786c7;
$custom-light: #80a8d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3786c7",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 199
  },
  "hsl": {
    "h": 207.083,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.60164,
    "c": 0.12542,
    "h": 246.8
  },
  "luminance": 0.21986
}

Semantic roles & 50–950 ramp

primary

#3786C7

secondary

#CDAA8C

accent

#8D48E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3786C7

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

Preview Lab → · Contrast checker → · Palette generator →