#3773C5#3773C5

#3773C5 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.7% C 0.142 H 257.0°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3773C5
RGB	rgb(55, 115, 197)
HSL	hsl(215, 56%, 49%)
HSV	hsv(215, 72%, 77%)
CMYK	cmyk(72.1%, 41.6%, 0%, 22.7%)
CIE-LAB	lab(48.39, 8.42, -48.43)
CIE-LCH	lch(48.39, 49.16, 279.86°)
OKLab	oklab(55.73% -0.032 -0.1384)
OKLCH	oklch(55.73% 0.142 257)
XYZ	xyz(17.7806, 17.1030, 55.1766)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3773C5 #C58937

analogous

#37BAC5 #3773C5 #4237C5

triadic

#3773C5 #C53773 #73C537

tetradic

#3773C5 #C537BA #C58937 #37C542

square

#3773C5 #C537BA #C58937 #37C542

split-complementary

#3773C5 #C54237 #BAC537

monochromatic

#1C3B65 #2A5795 #3773C5 #6594D4 #95B5E1

Accessibility & contrast

On white

4.75

#3773C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3773C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3773C5

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3773C5	#FFFFFF	#000000	##FFFFFF
##3773C5	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7AC8

Deuteranopia (green-blind)

#346DC3

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3773c5;
/* rgb */ color: rgb(55, 115, 197);
/* oklch */ color: oklch(55.7% 0.142 257.0);

Tailwind

colors: {
  custom: {
    50: '#7f9ad7',
    500: '#3773c5',
    950: '#000000',
  },
}

SCSS

$custom: #3773c5;
$custom-light: #7f9ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#3773c5",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 197
  },
  "hsl": {
    "h": 214.648,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55734,
    "c": 0.14202,
    "h": 257
  },
  "luminance": 0.17105
}

Semantic roles & 50–950 ramp

primary

#3773C5

secondary

#CDB18B

accent

#A048E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3773C5

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

Preview Lab → · Contrast checker → · Palette generator →