#3779A3#3779A3

#3779A3 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.2% C 0.094 H 239.5°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3779A3
RGB	rgb(55, 121, 163)
HSL	hsl(203, 50%, 43%)
HSV	hsv(203, 66%, 64%)
CMYK	cmyk(66.3%, 25.8%, 0%, 36.1%)
CIE-LAB	lab(48.42, -7.36, -28.69)
CIE-LCH	lch(48.42, 29.62, 255.62°)
OKLab	oklab(55.19% -0.0475 -0.0807)
OKLCH	oklch(55.19% 0.094 239.5)
XYZ	xyz(15.0212, 17.1298, 37.1580)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779A3 #A36137

analogous

#37A397 #3779A3 #3743A3

triadic

#3779A3 #A33779 #79A337

tetradic

#3779A3 #9737A3 #A36137 #43A337

square

#3779A3 #9737A3 #A36137 #43A337

split-complementary

#3779A3 #A33743 #A39737

monochromatic

#183547 #285775 #3779A3 #5298C5 #80B4D4

Accessibility & contrast

On white

4.74

#3779A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3779A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3779A3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779A3	#FFFFFF	#000000	##FFFFFF
##3779A3	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A5

Deuteranopia (green-blind)

#576EA2

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3779a3;
/* rgb */ color: rgb(55, 121, 163);
/* oklch */ color: oklch(55.2% 0.094 239.5);

Tailwind

colors: {
  custom: {
    50: '#799fbe',
    500: '#3779a3',
    950: '#000000',
  },
}

SCSS

$custom: #3779a3;
$custom-light: #799fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3779a3",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 163
  },
  "hsl": {
    "h": 203.333,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55192,
    "c": 0.09361,
    "h": 239.5
  },
  "luminance": 0.17131
}

Semantic roles & 50–950 ramp

primary

#3779A3

secondary

#BE9378

accent

#854FD9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3779A3

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

Preview Lab → · Contrast checker → · Palette generator →