#3377B4#3377B4

#3377B4 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.117 H 248.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#3377B4
RGBrgb(51, 119, 180)
HSLhsl(208, 56%, 45%)
HSVhsv(208, 72%, 71%)
CMYKcmyk(71.7%, 33.9%, 0%, 29.4%)
CIE-LABlab(48.50, -0.81, -38.47)
CIE-LCHlch(48.50, 38.48, 268.79°)
OKLaboklab(55.48% -0.0427 -0.1091)
OKLCHoklch(55.48% 0.117 248.6)
XYZxyz(16.1972, 17.1910, 45.6357)
Luminance0.1719 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3377B4 #B47033
analogous
#33B4B0 #3377B4 #3337B4
triadic
#3377B4 #B43377 #77B433
tetradic
#3377B4 #B033B4 #B47033 #37B433
square
#3377B4 #B033B4 #B47033 #37B433
split-complementary
#3377B4 #B43337 #B4B033
monochromatic
#183855 #255784 #3377B4 #5595CF #85B3DC

Accessibility & contrast

On white

4.73
#3377B4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.44
#3377B4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3377B4
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3377B4#FFFFFF#000000##FFFFFF
##3377B41.004.734.444.73
#FFFFFF4.731.0021.001.00
#0000004.4421.001.0021.00
##FFFFFF4.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B7AB7
Deuteranopia (green-blind)
#496EB3
Tritanopia (blue-blind)
#00868D
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3377b4;
/* rgb */ color: rgb(51, 119, 180);
/* oklch */ color: oklch(55.5% 0.117 248.6);
Tailwind
colors: {
  custom: {
    50: '#7b9dcb',
    500: '#3377b4',
    950: '#000000',
  },
}
SCSS
$custom: #3377b4;
$custom-light: #7b9dcb;
$custom-dark: #000000;
JSON
{
  "hex": "#3377b4",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 180
  },
  "hsl": {
    "h": 208.372,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55482,
    "c": 0.1172,
    "h": 248.6
  },
  "luminance": 0.17193
}

Semantic roles & 50–950 ramp

primary
#3377B4
secondary
#C69F7D
accent
#9049DF
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3377B4

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

Preview Lab → · Contrast checker → · Palette generator →

#3377B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva