#387CB8#387CB8

#387CB8 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.116 H 248.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#387CB8
RGBrgb(56, 124, 184)
HSLhsl(208, 53%, 47%)
HSVhsv(208, 70%, 72%)
CMYKcmyk(69.6%, 32.6%, 0%, 27.8%)
CIE-LABlab(50.35, -1.62, -37.85)
CIE-LCHlch(50.35, 37.88, 267.55°)
OKLaboklab(57.05% -0.0433 -0.1072)
OKLCHoklch(57.05% 0.116 248)
XYZxyz(17.4870, 18.7149, 48.0288)
Luminance0.1872 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387CB8 #B87438
analogous
#38B8B4 #387CB8 #383CB8
triadic
#387CB8 #B8387C #7CB838
tetradic
#387CB8 #B438B8 #B87438 #3CB838
square
#387CB8 #B438B8 #B87438 #3CB838
split-complementary
#387CB8 #B8383C #B8B438
monochromatic
#1B3D5A #2A5C89 #387CB8 #5F9ACE #8EB8DD

Accessibility & contrast

On white

4.43
#387CB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#387CB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387CB8
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387CB8#FFFFFF#000000##000000
##387CB81.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#617FBB
Deuteranopia (green-blind)
#4F72B7
Tritanopia (blue-blind)
#008A91
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #387cb8;
/* rgb */ color: rgb(56, 124, 184);
/* oklch */ color: oklch(57.1% 0.116 248.0);
Tailwind
colors: {
  custom: {
    50: '#7da1cd',
    500: '#387cb8',
    950: '#000000',
  },
}
SCSS
$custom: #387cb8;
$custom-light: #7da1cd;
$custom-dark: #000000;
JSON
{
  "hex": "#387cb8",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 184
  },
  "hsl": {
    "h": 208.125,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57051,
    "c": 0.11562,
    "h": 248
  },
  "luminance": 0.18717
}

Semantic roles & 50–950 ramp

primary
#387CB8
secondary
#C7A485
accent
#8F4BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #387CB8

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

Preview Lab → · Contrast checker → · Palette generator →

#387CB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva