#387BBD#387BBD

#387BBD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.123 H 250.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#387BBD
RGBrgb(56, 123, 189)
HSLhsl(210, 54%, 48%)
HSVhsv(210, 70%, 74%)
CMYKcmyk(70.4%, 34.9%, 0%, 25.9%)
CIE-LABlab(50.31, 0.76, -40.79)
CIE-LCHlch(50.31, 40.80, 271.07°)
OKLaboklab(57.1% -0.0409 -0.1158)
OKLCHoklch(57.1% 0.123 250.6)
XYZxyz(17.8957, 18.6789, 50.7965)
Luminance0.1868 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387BBD #BD7A38
analogous
#38BDBC #387BBD #3839BD
triadic
#387BBD #BD387B #7BBD38
tetradic
#387BBD #BC38BD #BD7A38 #39BD38
square
#387BBD #BC38BD #BD7A38 #39BD38
split-complementary
#387BBD #BD3839 #BDBC38
monochromatic
#1C3E5F #2A5C8E #387BBD #629AD0 #91B8DE

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##387BBD#FFFFFF#000000##000000
##387BBD1.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D7FC0
Deuteranopia (green-blind)
#4A72BC
Tritanopia (blue-blind)
#008B93
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #387bbd;
/* rgb */ color: rgb(56, 123, 189);
/* oklch */ color: oklch(57.1% 0.123 250.6);
Tailwind
colors: {
  custom: {
    50: '#7ea0d1',
    500: '#387bbd',
    950: '#000000',
  },
}
SCSS
$custom: #387bbd;
$custom-light: #7ea0d1;
$custom-dark: #000000;
JSON
{
  "hex": "#387bbd",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 209.774,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.571,
    "c": 0.12282,
    "h": 250.6
  },
  "luminance": 0.18681
}

Semantic roles & 50–950 ramp

primary
#387BBD
secondary
#C9A887
accent
#934ADE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #387BBD

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

Preview Lab → · Contrast checker → · Palette generator →

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