#3783AC#3783AC

#3783AC is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.1% C 0.097 H 235.6°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3783AC
RGB	rgb(55, 131, 172)
HSL	hsl(201, 52%, 45%)
HSV	hsv(201, 68%, 67%)
CMYK	cmyk(68%, 23.8%, 0%, 32.5%)
CIE-LAB	lab(51.86, -10.05, -28.57)
CIE-LCH	lch(51.86, 30.28, 250.62°)
OKLab	oklab(58.05% -0.055 -0.0802)
OKLCH	oklch(58.05% 0.097 235.6)
XYZ	xyz(17.1353, 20.0215, 41.9832)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3783AC #AC6037

analogous

#37AC9B #3783AC #3748AC

triadic

#3783AC #AC3783 #83AC37

tetradic

#3783AC #9B37AC #AC6037 #48AC37

square

#3783AC #9B37AC #AC6037 #48AC37

split-complementary

#3783AC #AC3748 #AC9B37

monochromatic

#193C4F #28607E #3783AC #57A1C9 #85BBD8

Accessibility & contrast

On white

4.20

#3783AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#3783AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3783AC

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3783AC	#FFFFFF	#000000	##000000
##3783AC	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)

#6F82AE

Deuteranopia (green-blind)

#5F77AB

Tritanopia (blue-blind)

#008E91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3783ac;
/* rgb */ color: rgb(55, 131, 172);
/* oklch */ color: oklch(58.1% 0.097 235.6);

Tailwind

colors: {
  custom: {
    50: '#7ba7c5',
    500: '#3783ac',
    950: '#000000',
  },
}

SCSS

$custom: #3783ac;
$custom-light: #7ba7c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3783ac",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 172
  },
  "hsl": {
    "h": 201.026,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.58052,
    "c": 0.09728,
    "h": 235.6
  },
  "luminance": 0.20023
}

Semantic roles & 50–950 ramp

primary

#3783AC

secondary

#C2957D

accent

#7F4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3783AC

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

Preview Lab → · Contrast checker → · Palette generator →