#3782CC#3782CC

#3782CC is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.5% C 0.135 H 250.9°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3782CC
RGB	rgb(55, 130, 204)
HSL	hsl(210, 59%, 51%)
HSV	hsv(210, 73%, 80%)
CMYK	cmyk(73%, 36.3%, 0%, 20%)
CIE-LAB	lab(53.10, 1.79, -44.94)
CIE-LCH	lch(53.10, 44.98, 272.29°)
OKLab	oklab(59.53% -0.0442 -0.1279)
OKLCH	oklch(59.53% 0.135 250.9)
XYZ	xyz(20.4532, 21.1348, 60.1165)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3782CC #CC8137

analogous

#37CCCC #3782CC #3737CC

triadic

#3782CC #CC3782 #82CC37

tetradic

#3782CC #CC37CC #CC8137 #37CC37

square

#3782CC #CC37CC #CC8137 #37CC37

split-complementary

#3782CC #CC3737 #CCCC37

monochromatic

#1C456D #28639E #3782CC #68A0D8 #99BFE5

Accessibility & contrast

On white

4.02

#3782CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3782CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3782CC

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3782CC	#FFFFFF	#000000	##000000
##3782CC	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CF

Deuteranopia (green-blind)

#4A78CB

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3782cc;
/* rgb */ color: rgb(55, 130, 204);
/* oklch */ color: oklch(59.5% 0.135 250.9);

Tailwind

colors: {
  custom: {
    50: '#81a5dc',
    500: '#3782cc',
    950: '#000000',
  },
}

SCSS

$custom: #3782cc;
$custom-light: #81a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3782cc",
  "rgb": {
    "r": 55,
    "g": 130,
    "b": 204
  },
  "hsl": {
    "h": 209.799,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.59529,
    "c": 0.1353,
    "h": 250.9
  },
  "luminance": 0.21137
}

Semantic roles & 50–950 ramp

primary

#3782CC

secondary

#D0AF8E

accent

#9345E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3782CC

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

Preview Lab → · Contrast checker → · Palette generator →