#387CB0#387CB0

#387CB0 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.106 H 244.4°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#387CB0
RGBrgb(56, 124, 176)
HSLhsl(206, 52%, 45%)
HSVhsv(206, 68%, 69%)
CMYKcmyk(68.2%, 29.5%, 0%, 31%)
CIE-LABlab(49.96, -4.44, -33.84)
CIE-LCHlch(49.96, 34.13, 262.52°)
OKLaboklab(56.62% -0.0457 -0.0955)
OKLCHoklch(56.62% 0.106 244.4)
XYZxyz(16.6720, 18.3889, 43.7366)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387CB0 #B06C38
analogous
#38B0A8 #387CB0 #3840B0
triadic
#387CB0 #B0387C #7CB038
tetradic
#387CB0 #A838B0 #B06C38 #40B038
square
#387CB0 #A838B0 #B06C38 #40B038
split-complementary
#387CB0 #B03840 #B0A838
monochromatic
#1A3B53 #295B82 #387CB0 #5B9ACB #89B7D9

Accessibility & contrast

On white

4.49
#387CB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#387CB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387CB0
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387CB0#FFFFFF#000000##000000
##387CB01.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#657DB2
Deuteranopia (green-blind)
#5472AF
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #387cb0;
/* rgb */ color: rgb(56, 124, 176);
/* oklch */ color: oklch(56.6% 0.106 244.4);
Tailwind
colors: {
  custom: {
    50: '#7ca1c8',
    500: '#387cb0',
    950: '#000000',
  },
}
SCSS
$custom: #387cb0;
$custom-light: #7ca1c8;
$custom-dark: #000000;
JSON
{
  "hex": "#387cb0",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 176
  },
  "hsl": {
    "h": 206,
    "s": 51.724,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56618,
    "c": 0.10592,
    "h": 244.4
  },
  "luminance": 0.18391
}

Semantic roles & 50–950 ramp

primary
#387CB0
secondary
#C49D80
accent
#8A4DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #387CB0

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

Preview Lab → · Contrast checker → · Palette generator →

#387CB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva