#3779D0#3779D0

#3779D0 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.8% C 0.150 H 256.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3779D0
RGB	rgb(55, 121, 208)
HSL	hsl(214, 62%, 52%)
HSV	hsv(214, 74%, 82%)
CMYK	cmyk(73.6%, 41.8%, 0%, 18.4%)
CIE-LAB	lab(50.73, 8.73, -50.98)
CIE-LCH	lch(50.73, 51.72, 279.72°)
OKLab	oklab(57.76% -0.0351 -0.1457)
OKLCH	oklch(57.76% 0.15 256.5)
XYZ	xyz(19.7939, 19.0388, 62.2939)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779D0 #D08E37

analogous

#37C5D0 #3779D0 #4237D0

triadic

#3779D0 #D03779 #79D037

tetradic

#3779D0 #D037C5 #D08E37 #37D042

square

#3779D0 #D037C5 #D08E37 #37D042

split-complementary

#3779D0 #D04237 #C5D037

monochromatic

#1B4072 #265CA3 #3779D0 #699ADC #9ABBE7

Accessibility & contrast

On white

4.37

#3779D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3779D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3779D0

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779D0	#FFFFFF	#000000	##000000
##3779D0	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F80D3

Deuteranopia (green-blind)

#3472CE

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3779d0;
/* rgb */ color: rgb(55, 121, 208);
/* oklch */ color: oklch(57.8% 0.150 256.5);

Tailwind

colors: {
  custom: {
    50: '#819fdf',
    500: '#3779d0',
    950: '#000000',
  },
}

SCSS

$custom: #3779d0;
$custom-light: #819fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3779d0",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 208
  },
  "hsl": {
    "h": 214.118,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57757,
    "c": 0.14989,
    "h": 256.5
  },
  "luminance": 0.19041
}

Semantic roles & 50–950 ramp

primary

#3779D0

secondary

#D3B690

accent

#9F43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3779D0

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

Preview Lab → · Contrast checker → · Palette generator →