#3388AB#3388AB

#3388AB is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.1% C 0.096 H 229.1°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#3388AB
RGBrgb(51, 136, 171)
HSLhsl(198, 54%, 44%)
HSVhsv(198, 70%, 67%)
CMYKcmyk(70.2%, 20.5%, 0%, 32.9%)
CIE-LABlab(53.22, -13.83, -25.89)
CIE-LCHlch(53.22, 29.35, 241.89°)
OKLaboklab(59.09% -0.0629 -0.0726)
OKLCHoklch(59.09% 0.096 229.1)
XYZxyz(17.5171, 21.2504, 41.6987)
Luminance0.2125 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3388AB #AB5633
analogous
#33AB92 #3388AB #334CAB
triadic
#3388AB #AB3388 #88AB33
tetradic
#3388AB #9233AB #AB5633 #4CAB33
square
#3388AB #9233AB #AB5633 #4CAB33
split-complementary
#3388AB #AB334C #AB9233
monochromatic
#173D4D #25637C #3388AB #50A7CB #7FBFD9

Accessibility & contrast

On white

4.00
#3388AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#3388AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388AB
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3388AB#FFFFFF#000000##000000
##3388AB1.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7686AD
Deuteranopia (green-blind)
#657AAB
Tritanopia (blue-blind)
#009294
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3388ab;
/* rgb */ color: rgb(51, 136, 171);
/* oklch */ color: oklch(59.1% 0.096 229.1);
Tailwind
colors: {
  custom: {
    50: '#7aaac4',
    500: '#3388ab',
    950: '#000000',
  },
}
SCSS
$custom: #3388ab;
$custom-light: #7aaac4;
$custom-dark: #000000;
JSON
{
  "hex": "#3388ab",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 171
  },
  "hsl": {
    "h": 197.5,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.59089,
    "c": 0.09603,
    "h": 229.1
  },
  "luminance": 0.21252
}

Semantic roles & 50–950 ramp

primary
#3388AB
secondary
#C28D78
accent
#754ADD
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #3388AB

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

Preview Lab → · Contrast checker → · Palette generator →

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