#3779AB#3779AB

#3779AB is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.103 H 244.1°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3779AB
RGB	rgb(55, 121, 171)
HSL	hsl(206, 51%, 44%)
HSV	hsv(206, 68%, 67%)
CMYK	cmyk(67.8%, 29.2%, 0%, 32.9%)
CIE-LAB	lab(48.79, -4.58, -32.78)
CIE-LCH	lch(48.79, 33.09, 262.04°)
OKLab	oklab(55.61% -0.0448 -0.0925)
OKLCH	oklch(55.61% 0.103 244.1)
XYZ	xyz(15.7608, 17.4256, 41.0530)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779AB #AB6937

analogous

#37ABA3 #3779AB #373FAB

triadic

#3779AB #AB3779 #79AB37

tetradic

#3779AB #A337AB #AB6937 #3FAB37

square

#3779AB #A337AB #AB6937 #3FAB37

split-complementary

#3779AB #AB373F #ABA337

monochromatic

#19374E #28587D #3779AB #5697C9 #85B4D8

Accessibility & contrast

On white

4.68

#3779AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3779AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3779AB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779AB	#FFFFFF	#000000	##FFFFFF
##3779AB	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637AAD

Deuteranopia (green-blind)

#536FAA

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3779ab;
/* rgb */ color: rgb(55, 121, 171);
/* oklch */ color: oklch(55.6% 0.103 244.1);

Tailwind

colors: {
  custom: {
    50: '#7b9fc4',
    500: '#3779ab',
    950: '#000000',
  },
}

SCSS

$custom: #3779ab;
$custom-light: #7b9fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3779ab",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 171
  },
  "hsl": {
    "h": 205.862,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55605,
    "c": 0.1028,
    "h": 244.1
  },
  "luminance": 0.17427
}

Semantic roles & 50–950 ramp

primary

#3779AB

secondary

#C19A7C

accent

#8A4DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3779AB

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

Preview Lab → · Contrast checker → · Palette generator →