#387DB2#387DB2

#387DB2 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.107 H 244.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#387DB2
RGBrgb(56, 125, 178)
HSLhsl(206, 52%, 46%)
HSVhsv(206, 69%, 70%)
CMYKcmyk(68.5%, 29.8%, 0%, 30.2%)
CIE-LABlab(50.36, -4.33, -34.37)
CIE-LCHlch(50.36, 34.65, 262.82°)
OKLaboklab(56.96% -0.0461 -0.0971)
OKLCHoklch(56.96% 0.107 244.6)
XYZxyz(16.9973, 18.7205, 44.8285)
Luminance0.1872 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387DB2 #B26D38
analogous
#38B2AA #387DB2 #3840B2
triadic
#387DB2 #B2387D #7DB238
tetradic
#387DB2 #AA38B2 #B26D38 #40B238
square
#387DB2 #AA38B2 #B26D38 #40B238
split-complementary
#387DB2 #B23840 #B2AA38
monochromatic
#1B3C55 #295C83 #387DB2 #5C9BCC #8AB7DA

Accessibility & contrast

On white

4.43
#387DB2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#387DB2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DB2
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387DB2#FFFFFF#000000##000000
##387DB21.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#657EB4
Deuteranopia (green-blind)
#5473B1
Tritanopia (blue-blind)
#008A90
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #387db2;
/* rgb */ color: rgb(56, 125, 178);
/* oklch */ color: oklch(57.0% 0.107 244.6);
Tailwind
colors: {
  custom: {
    50: '#7ca2c9',
    500: '#387db2',
    950: '#000000',
  },
}
SCSS
$custom: #387db2;
$custom-light: #7ca2c9;
$custom-dark: #000000;
JSON
{
  "hex": "#387db2",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 206.066,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5696,
    "c": 0.10749,
    "h": 244.6
  },
  "luminance": 0.18722
}

Semantic roles & 50–950 ramp

primary
#387DB2
secondary
#C59E81
accent
#8B4CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #387DB2

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

Preview Lab → · Contrast checker → · Palette generator →

#387DB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva