#3388B5#3388B5

#3388B5 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.6% C 0.105 H 235.8°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#3388B5
RGBrgb(51, 136, 181)
HSLhsl(201, 56%, 45%)
HSVhsv(201, 72%, 71%)
CMYKcmyk(71.8%, 24.9%, 0%, 29%)
CIE-LABlab(53.65, -10.41, -30.97)
CIE-LCHlch(53.65, 32.67, 251.41°)
OKLaboklab(59.57% -0.0593 -0.0872)
OKLCHoklch(59.57% 0.105 235.8)
XYZxyz(18.5066, 21.6462, 46.9099)
Luminance0.2165 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3388B5 #B56033
analogous
#33B5A1 #3388B5 #3347B5
triadic
#3388B5 #B53388 #88B533
tetradic
#3388B5 #A133B5 #B56033 #47B533
square
#3388B5 #A133B5 #B56033 #47B533
split-complementary
#3388B5 #B53347 #B5A133
monochromatic
#184056 #266485 #3388B5 #56A5CF #86BFDD

Accessibility & contrast

On white

3.94
#3388B5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#3388B5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388B5
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3388B5#FFFFFF#000000##000000
##3388B51.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7287B7
Deuteranopia (green-blind)
#617BB4
Tritanopia (blue-blind)
#009497
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #3388b5;
/* rgb */ color: rgb(51, 136, 181);
/* oklch */ color: oklch(59.6% 0.105 235.8);
Tailwind
colors: {
  custom: {
    50: '#7baacb',
    500: '#3388b5',
    950: '#000000',
  },
}
SCSS
$custom: #3388b5;
$custom-light: #7baacb;
$custom-dark: #000000;
JSON
{
  "hex": "#3388b5",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 181
  },
  "hsl": {
    "h": 200.769,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5957,
    "c": 0.10544,
    "h": 235.8
  },
  "luminance": 0.21648
}

Semantic roles & 50–950 ramp

primary
#3388B5
secondary
#C6977D
accent
#7D48DF
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3388B5

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

Preview Lab → · Contrast checker → · Palette generator →

#3388B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva