#3773B6#3773B6

#3773B6 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.122 H 253.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3773B6
RGB	rgb(55, 115, 182)
HSL	hsl(212, 54%, 46%)
HSV	hsv(212, 70%, 71%)
CMYK	cmyk(69.8%, 36.8%, 0%, 28.6%)
CIE-LAB	lab(47.56, 2.96, -41.11)
CIE-LCH	lch(47.56, 41.21, 274.12°)
OKLab	oklab(54.82% -0.0355 -0.1169)
OKLCH	oklch(54.82% 0.122 253.1)
XYZ	xyz(16.1467, 16.4494, 46.5710)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3773B6 #B67A37

analogous

#37B3B6 #3773B6 #3B37B6

triadic

#3773B6 #B63773 #73B637

tetradic

#3773B6 #B637B3 #B67A37 #37B63B

square

#3773B6 #B637B3 #B67A37 #37B63B

split-complementary

#3773B6 #B63B37 #B3B637

monochromatic

#1B3858 #295587 #3773B6 #5C92CE #8BB1DC

Accessibility & contrast

On white

4.89

#3773B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3773B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3773B6

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3773B6	#FFFFFF	#000000	##FFFFFF
##3773B6	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5577B9

Deuteranopia (green-blind)

#426BB5

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3773b6;
/* rgb */ color: rgb(55, 115, 182);
/* oklch */ color: oklch(54.8% 0.122 253.1);

Tailwind

colors: {
  custom: {
    50: '#7c9acc',
    500: '#3773b6',
    950: '#000000',
  },
}

SCSS

$custom: #3773b6;
$custom-light: #7c9acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3773b6",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 182
  },
  "hsl": {
    "h": 211.654,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.54817,
    "c": 0.12215,
    "h": 253.1
  },
  "luminance": 0.16451
}

Semantic roles & 50–950 ramp

primary

#3773B6

secondary

#C6A682

accent

#984BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3773B6

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

Preview Lab → · Contrast checker → · Palette generator →