#3377D0#3377D0

#3377D0 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.2% C 0.153 H 256.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#3377D0
RGBrgb(51, 119, 208)
HSLhsl(214, 63%, 51%)
HSVhsv(214, 75%, 82%)
CMYKcmyk(75.5%, 42.8%, 0%, 18.4%)
CIE-LABlab(50.04, 9.46, -52.10)
CIE-LCHlch(50.04, 52.95, 280.29°)
OKLaboklab(57.18% -0.0359 -0.1491)
OKLCHoklch(57.18% 0.153 256.5)
XYZxyz(19.3430, 18.4493, 62.2039)
Luminance0.1845 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3377D0 #D08C33
analogous
#33C5D0 #3377D0 #3D33D0
triadic
#3377D0 #D03377 #77D033
tetradic
#3377D0 #D033C5 #D08C33 #33D03D
square
#3377D0 #D033C5 #D08C33 #33D03D
split-complementary
#3377D0 #D03D33 #C5D033
monochromatic
#1A3F6F #255BA1 #3377D0 #6598DB #96B9E7

Accessibility & contrast

On white

4.48
#3377D0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#3377D0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3377D0
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3377D0#FFFFFF#000000##000000
##3377D01.004.484.694.69
#FFFFFF4.481.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#4B7FD3
Deuteranopia (green-blind)
#2E70CE
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3377d0;
/* rgb */ color: rgb(51, 119, 208);
/* oklch */ color: oklch(57.2% 0.153 256.5);
Tailwind
colors: {
  custom: {
    50: '#809ddf',
    500: '#3377d0',
    950: '#000000',
  },
}
SCSS
$custom: #3377d0;
$custom-light: #809ddf;
$custom-dark: #000000;
JSON
{
  "hex": "#3377d0",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 208
  },
  "hsl": {
    "h": 214.013,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57181,
    "c": 0.15336,
    "h": 256.5
  },
  "luminance": 0.18452
}

Semantic roles & 50–950 ramp

primary
#3377D0
secondary
#D2B48D
accent
#9F42E6
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3377D0

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

Preview Lab → · Contrast checker → · Palette generator →

#3377D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva