#3786C4#3786C4

#3786C4 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.0% C 0.122 H 245.7°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3786C4
RGB	rgb(55, 134, 196)
HSL	hsl(206, 56%, 49%)
HSV	hsv(206, 72%, 77%)
CMYK	cmyk(71.9%, 31.6%, 0%, 23.1%)
CIE-LAB	lab(53.86, -3.44, -39.19)
CIE-LCH	lch(53.86, 39.34, 264.99°)
OKLab	oklab(60% -0.0502 -0.111)
OKLCH	oklch(60% 0.122 245.7)
XYZ	xyz(20.0606, 21.8457, 55.3732)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786C4 #C47537

analogous

#37C4BC #3786C4 #3740C4

triadic

#3786C4 #C43786 #86C437

tetradic

#3786C4 #BC37C4 #C47537 #40C437

square

#3786C4 #BC37C4 #C47537 #40C437

split-complementary

#3786C4 #C43740 #C4BC37

monochromatic

#1C4564 #2A6594 #3786C4 #65A3D4 #94BFE1

Accessibility & contrast

On white

3.91

#3786C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#3786C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786C4

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786C4	#FFFFFF	#000000	##000000
##3786C4	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A88C7

Deuteranopia (green-blind)

#567BC3

Tritanopia (blue-blind)

#00959C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3786c4;
/* rgb */ color: rgb(55, 134, 196);
/* oklch */ color: oklch(60.0% 0.122 245.7);

Tailwind

colors: {
  custom: {
    50: '#7fa9d6',
    500: '#3786c4',
    950: '#000000',
  },
}

SCSS

$custom: #3786c4;
$custom-light: #7fa9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3786c4",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 196
  },
  "hsl": {
    "h": 206.383,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.6,
    "c": 0.12185,
    "h": 245.7
  },
  "luminance": 0.21848
}

Semantic roles & 50–950 ramp

primary

#3786C4

secondary

#CCA78B

accent

#8B48DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3786C4

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

Preview Lab → · Contrast checker → · Palette generator →