#3377AB#3377AB

#3377AB is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 55.0% C 0.106 H 244.7°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#3377AB
RGBrgb(51, 119, 171)
HSLhsl(206, 54%, 44%)
HSVhsv(206, 70%, 67%)
CMYKcmyk(70.2%, 30.4%, 0%, 32.9%)
CIE-LABlab(48.05, -4.04, -33.94)
CIE-LCHlch(48.05, 34.18, 263.21°)
OKLaboklab(54.98% -0.0454 -0.096)
OKLCHoklch(54.98% 0.106 244.7)
XYZxyz(15.3100, 16.8361, 40.9630)
Luminance0.1684 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3377AB #AB6733
analogous
#33ABA3 #3377AB #333BAB
triadic
#3377AB #AB3377 #77AB33
tetradic
#3377AB #A333AB #AB6733 #3BAB33
square
#3377AB #A333AB #AB6733 #3BAB33
split-complementary
#3377AB #AB333B #ABA333
monochromatic
#17354D #25567C #3377AB #5096CB #7FB2D9

Accessibility & contrast

On white

4.81
#3377AB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.37
#3377AB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3377AB
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3377AB#FFFFFF#000000##FFFFFF
##3377AB1.004.814.374.81
#FFFFFF4.811.0021.001.00
#0000004.3721.001.0021.00
##FFFFFF4.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6078AD
Deuteranopia (green-blind)
#4F6DAA
Tritanopia (blue-blind)
#008489
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #3377ab;
/* rgb */ color: rgb(51, 119, 171);
/* oklch */ color: oklch(55.0% 0.106 244.7);
Tailwind
colors: {
  custom: {
    50: '#799ec4',
    500: '#3377ab',
    950: '#000000',
  },
}
SCSS
$custom: #3377ab;
$custom-light: #799ec4;
$custom-dark: #000000;
JSON
{
  "hex": "#3377ab",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 171
  },
  "hsl": {
    "h": 206,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.54983,
    "c": 0.10616,
    "h": 244.7
  },
  "luminance": 0.16838
}

Semantic roles & 50–950 ramp

primary
#3377AB
secondary
#C29878
accent
#8A4ADD
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E12
muted
#7C7E81

Preview Lab

Preview with #3377AB

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

Preview Lab → · Contrast checker → · Palette generator →

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