#3387B1#3387B1

#3387B1 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.102 H 234.2°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX#3387B1
RGBrgb(51, 135, 177)
HSLhsl(200, 55%, 45%)
HSVhsv(200, 71%, 69%)
CMYKcmyk(71.2%, 23.7%, 0%, 30.6%)
CIE-LABlab(53.17, -11.23, -29.42)
CIE-LCHlch(53.17, 31.49, 249.11°)
OKLaboklab(59.13% -0.0597 -0.0827)
OKLCHoklch(59.13% 0.102 234.2)
XYZxyz(17.9619, 21.2041, 44.7326)
Luminance0.2121 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3387B1 #B15D33
analogous
#33B19C #3387B1 #3348B1
triadic
#3387B1 #B13387 #87B133
tetradic
#3387B1 #9C33B1 #B15D33 #48B133
square
#3387B1 #9C33B1 #B15D33 #48B133
split-complementary
#3387B1 #B13348 #B19C33
monochromatic
#183F52 #256381 #3387B1 #54A5CE #83BEDB

Accessibility & contrast

On white

4.01
#3387B1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.24
#3387B1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3387B1
5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3387B1#FFFFFF#000000##000000
##3387B11.004.015.245.24
#FFFFFF4.011.0021.0021.00
#0000005.2421.001.001.00
##0000005.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7386B3
Deuteranopia (green-blind)
#617AB0
Tritanopia (blue-blind)
#009295
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3387b1;
/* rgb */ color: rgb(51, 135, 177);
/* oklch */ color: oklch(59.1% 0.102 234.2);
Tailwind
colors: {
  custom: {
    50: '#7baac8',
    500: '#3387b1',
    950: '#000000',
  },
}
SCSS
$custom: #3387b1;
$custom-light: #7baac8;
$custom-dark: #000000;
JSON
{
  "hex": "#3387b1",
  "rgb": {
    "r": 51,
    "g": 135,
    "b": 177
  },
  "hsl": {
    "h": 200,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59132,
    "c": 0.102,
    "h": 234.2
  },
  "luminance": 0.21206
}

Semantic roles & 50–950 ramp

primary
#3387B1
secondary
#C5947B
accent
#7B49DF
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #3387B1

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

Preview Lab → · Contrast checker → · Palette generator →

#3387B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva