#387DD3#387DD3

#387DD3 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.9% C 0.149 H 255.5°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX#387DD3
RGBrgb(56, 125, 211)
HSLhsl(213, 64%, 52%)
HSVhsv(213, 73%, 83%)
CMYKcmyk(73.5%, 40.8%, 0%, 17.3%)
CIE-LABlab(52.07, 7.50, -50.54)
CIE-LCHlch(52.07, 51.09, 278.44°)
OKLaboklab(58.86% -0.0374 -0.1443)
OKLCHoklch(58.86% 0.149 255.5)
XYZxyz(20.7180, 20.2088, 64.4242)
Luminance0.2021 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387DD3 #D38E38
analogous
#38CBD3 #387DD3 #4038D3
triadic
#387DD3 #D3387D #7DD338
tetradic
#387DD3 #D338CB #D38E38 #38D340
square
#387DD3 #D338CB #D38E38 #38D340
split-complementary
#387DD3 #D34038 #CBD338
monochromatic
#1A4376 #2560A9 #387DD3 #6A9EDE #9CBEE9

Accessibility & contrast

On white

4.16
#387DD3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.04
#387DD3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DD3
5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387DD3#FFFFFF#000000##000000
##387DD31.004.165.045.04
#FFFFFF4.161.0021.0021.00
#0000005.0421.001.001.00
##0000005.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5484D6
Deuteranopia (green-blind)
#3A76D1
Tritanopia (blue-blind)
#00919E
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #387dd3;
/* rgb */ color: rgb(56, 125, 211);
/* oklch */ color: oklch(58.9% 0.149 255.5);
Tailwind
colors: {
  custom: {
    50: '#82a2e1',
    500: '#387dd3',
    950: '#000000',
  },
}
SCSS
$custom: #387dd3;
$custom-light: #82a2e1;
$custom-dark: #000000;
JSON
{
  "hex": "#387dd3",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 211
  },
  "hsl": {
    "h": 213.29,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58862,
    "c": 0.14911,
    "h": 255.5
  },
  "luminance": 0.20211
}

Semantic roles & 50–950 ramp

primary
#387DD3
secondary
#D5B792
accent
#9D41E7
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83

Preview Lab

Preview with #387DD3

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

Preview Lab → · Contrast checker → · Palette generator →

#387DD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva