#3888D9#3888D9

#3888D9 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.7% C 0.145 H 251.6°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#3888D9
RGBrgb(56, 136, 217)
HSLhsl(210, 68%, 54%)
HSVhsv(210, 74%, 85%)
CMYKcmyk(74.2%, 37.3%, 0%, 14.9%)
CIE-LABlab(55.54, 3.01, -48.40)
CIE-LCHlch(55.54, 48.50, 273.56°)
OKLaboklab(61.67% -0.0458 -0.1379)
OKLCHoklch(61.67% 0.145 251.6)
XYZxyz(22.9547, 23.4562, 68.9499)
Luminance0.2346 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3888D9 #D98938
analogous
#38D8D9 #3888D9 #3838D9
triadic
#3888D9 #D93888 #88D938
tetradic
#3888D9 #D938D8 #D98938 #38D938
square
#3888D9 #D938D8 #D98938 #38D938
split-complementary
#3888D9 #D93838 #D8D938
monochromatic
#184B7E #2269B2 #3888D9 #6BA7E3 #9FC5ED

Accessibility & contrast

On white

3.69
#3888D9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.69
#3888D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3888D9
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3888D9#FFFFFF#000000##000000
##3888D91.003.695.695.69
#FFFFFF3.691.0021.0021.00
#0000005.6921.001.001.00
##0000005.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#628DDC
Deuteranopia (green-blind)
#4A7ED7
Tritanopia (blue-blind)
#009BA6
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #3888d9;
/* rgb */ color: rgb(56, 136, 217);
/* oklch */ color: oklch(61.7% 0.145 251.6);
Tailwind
colors: {
  custom: {
    50: '#83aae5',
    500: '#3888d9',
    950: '#000000',
  },
}
SCSS
$custom: #3888d9;
$custom-light: #83aae5;
$custom-dark: #000000;
JSON
{
  "hex": "#3888d9",
  "rgb": {
    "r": 56,
    "g": 136,
    "b": 217
  },
  "hsl": {
    "h": 210.186,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61673,
    "c": 0.14532,
    "h": 251.6
  },
  "luminance": 0.23459
}

Semantic roles & 50–950 ramp

primary
#3888D9
secondary
#D9B794
accent
#943DEB
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C0F16
muted
#7D7F84

Preview Lab

Preview with #3888D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3888D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva