#3783E5#3783E5

#3783E5 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 61.3% C 0.166 H 256.3°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3783E5
RGB	rgb(55, 131, 229)
HSL	hsl(214, 77%, 56%)
HSV	hsv(214, 76%, 90%)
CMYK	cmyk(76%, 42.8%, 0%, 10.2%)
CIE-LAB	lab(54.76, 10.27, -56.37)
CIE-LCH	lch(54.76, 57.30, 280.33°)
OKLab	oklab(61.28% -0.0394 -0.1614)
OKLCH	oklch(61.28% 0.166 256.3)
XYZ	xyz(23.8295, 22.6992, 77.2390)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783E5 #E59937

analogous

#37DAE5 #3783E5 #4237E5

triadic

#3783E5 #E53783 #83E537

tetradic

#3783E5 #E537DA #E59937 #37E542

square

#3783E5 #E537DA #E59937 #37E542

split-complementary

#3783E5 #E54237 #DAE537

monochromatic

#13498F #1A65C5 #3783E5 #6DA5EC #A3C6F3

Accessibility & contrast

On white

3.79

#3783E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#3783E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783E5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783E5	#FFFFFF	#000000	##000000
##3783E5	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528CE9

Deuteranopia (green-blind)

#317CE3

Tritanopia (blue-blind)

#009AA9

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3783e5;
/* rgb */ color: rgb(55, 131, 229);
/* oklch */ color: oklch(61.3% 0.166 256.3);

Tailwind

colors: {
  custom: {
    50: '#85a6ee',
    500: '#3783e5',
    950: '#000000',
  },
}

SCSS

$custom: #3783e5;
$custom-light: #85a6ee;
$custom-dark: #000000;

JSON

{
  "hex": "#3783e5",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 229
  },
  "hsl": {
    "h": 213.793,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.61275,
    "c": 0.16614,
    "h": 256.3
  },
  "luminance": 0.22702
}

Semantic roles & 50–950 ramp

primary

#3783E5

secondary

#E0C098

accent

#A034F4

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3783E5

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

Preview Lab → · Contrast checker → · Palette generator →