#3779B6#3779B6

#3779B6 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.2% C 0.116 H 249.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3779B6
RGB	rgb(55, 121, 182)
HSL	hsl(209, 54%, 46%)
HSV	hsv(209, 70%, 71%)
CMYK	cmyk(69.8%, 33.5%, 0%, 28.6%)
CIE-LAB	lab(49.33, -0.69, -38.31)
CIE-LCH	lch(49.33, 38.31, 268.97°)
OKLab	oklab(56.2% -0.0415 -0.1086)
OKLCH	oklch(56.2% 0.116 249.1)
XYZ	xyz(16.8533, 17.8626, 46.8065)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779B6 #B67437

analogous

#37B6B4 #3779B6 #373AB6

triadic

#3779B6 #B63779 #79B637

tetradic

#3779B6 #B437B6 #B67437 #3AB637

square

#3779B6 #B437B6 #B67437 #3AB637

split-complementary

#3779B6 #B6373A #B6B437

monochromatic

#1B3B58 #295A87 #3779B6 #5C97CE #8BB5DC

Accessibility & contrast

On white

4.59

#3779B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3779B6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3779B6

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779B6	#FFFFFF	#000000	##FFFFFF
##3779B6	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7CB9

Deuteranopia (green-blind)

#4C70B5

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3779b6;
/* rgb */ color: rgb(55, 121, 182);
/* oklch */ color: oklch(56.2% 0.116 249.1);

Tailwind

colors: {
  custom: {
    50: '#7d9fcc',
    500: '#3779b6',
    950: '#000000',
  },
}

SCSS

$custom: #3779b6;
$custom-light: #7d9fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3779b6",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 182
  },
  "hsl": {
    "h": 208.819,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56204,
    "c": 0.11627,
    "h": 249.1
  },
  "luminance": 0.17864
}

Semantic roles & 50–950 ramp

primary

#3779B6

secondary

#C6A382

accent

#914BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3779B6

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

Preview Lab → · Contrast checker → · Palette generator →