#3783AB#3783AB

#3783AB is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.0% C 0.096 H 234.9°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3783AB
RGB	rgb(55, 131, 171)
HSL	hsl(201, 51%, 44%)
HSV	hsv(201, 68%, 67%)
CMYK	cmyk(67.8%, 23.4%, 0%, 32.9%)
CIE-LAB	lab(51.82, -10.39, -28.06)
CIE-LCH	lch(51.82, 29.92, 249.68°)
OKLab	oklab(58% -0.0553 -0.0788)
OKLCH	oklch(58% 0.096 234.9)
XYZ	xyz(17.0397, 19.9833, 41.4793)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783AB #AB5F37

analogous

#37AB99 #3783AB #3749AB

triadic

#3783AB #AB3783 #83AB37

tetradic

#3783AB #9937AB #AB5F37 #49AB37

square

#3783AB #9937AB #AB5F37 #49AB37

split-complementary

#3783AB #AB3749 #AB9937

monochromatic

#193C4E #28607D #3783AB #56A1C9 #85BBD8

Accessibility & contrast

On white

4.20

#3783AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#3783AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783AB

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783AB	#FFFFFF	#000000	##000000
##3783AB	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7082AD

Deuteranopia (green-blind)

#6076AA

Tritanopia (blue-blind)

#008D90

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3783ab;
/* rgb */ color: rgb(55, 131, 171);
/* oklch */ color: oklch(58.0% 0.096 234.9);

Tailwind

colors: {
  custom: {
    50: '#7ba7c4',
    500: '#3783ab',
    950: '#000000',
  },
}

SCSS

$custom: #3783ab;
$custom-light: #7ba7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3783ab",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 171
  },
  "hsl": {
    "h": 200.69,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.58003,
    "c": 0.09627,
    "h": 234.9
  },
  "luminance": 0.19985
}

Semantic roles & 50–950 ramp

primary

#3783AB

secondary

#C1947C

accent

#7E4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3783AB

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

Preview Lab → · Contrast checker → · Palette generator →