#3773AD#3773AD

#3773AD is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.110 H 249.9°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3773AD
RGB	rgb(55, 115, 173)
HSL	hsl(209, 52%, 45%)
HSV	hsv(209, 68%, 68%)
CMYK	cmyk(68.2%, 33.5%, 0%, 32.2%)
CIE-LAB	lab(47.09, -0.27, -36.61)
CIE-LCH	lch(47.09, 36.61, 269.57°)
OKLab	oklab(54.3% -0.038 -0.1037)
OKLCH	oklch(54.3% 0.11 249.9)
XYZ	xyz(15.2463, 16.0892, 41.8291)
Luminance	0.1609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3773AD #AD7137

analogous

#37ADAC #3773AD #3738AD

triadic

#3773AD #AD3773 #73AD37

tetradic

#3773AD #AC37AD #AD7137 #38AD37

square

#3773AD #AC37AD #AD7137 #38AD37

split-complementary

#3773AD #AD3738 #ADAC37

monochromatic

#193550 #28547F #3773AD #5792CA #86B0D8

Accessibility & contrast

On white

4.98

#3773AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3773AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3773AD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3773AD	#FFFFFF	#000000	##FFFFFF
##3773AD	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5976AF

Deuteranopia (green-blind)

#496BAC

Tritanopia (blue-blind)

#008188

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3773ad;
/* rgb */ color: rgb(55, 115, 173);
/* oklch */ color: oklch(54.3% 0.110 249.9);

Tailwind

colors: {
  custom: {
    50: '#7b9bc5',
    500: '#3773ad',
    950: '#000000',
  },
}

SCSS

$custom: #3773ad;
$custom-light: #7b9bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3773ad",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 173
  },
  "hsl": {
    "h": 209.492,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54298,
    "c": 0.11048,
    "h": 249.9
  },
  "luminance": 0.16091
}

Semantic roles & 50–950 ramp

primary

#3773AD

secondary

#C29F7D

accent

#934DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3773AD

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

Preview Lab → · Contrast checker → · Palette generator →