#387DB4#387DB4

#387DB4 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.110 H 245.5°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#387DB4
RGBrgb(56, 125, 180)
HSLhsl(207, 53%, 46%)
HSVhsv(207, 69%, 71%)
CMYKcmyk(68.9%, 30.6%, 0%, 29.4%)
CIE-LABlab(50.45, -3.63, -35.38)
CIE-LCHlch(50.45, 35.56, 264.14°)
OKLaboklab(57.07% -0.0455 -0.1)
OKLCHoklch(57.07% 0.11 245.5)
XYZxyz(17.1996, 18.8014, 45.8938)
Luminance0.1880 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387DB4 #B46F38
analogous
#38B4AD #387DB4 #383FB4
triadic
#387DB4 #B4387D #7DB438
tetradic
#387DB4 #AD38B4 #B46F38 #3FB438
square
#387DB4 #AD38B4 #B46F38 #3FB438
split-complementary
#387DB4 #B4383F #B4AD38
monochromatic
#1B3C57 #295D85 #387DB4 #5D9BCD #8BB8DB

Accessibility & contrast

On white

4.41
#387DB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#387DB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DB4
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387DB4#FFFFFF#000000##000000
##387DB41.004.414.764.76
#FFFFFF4.411.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#647FB6
Deuteranopia (green-blind)
#5373B3
Tritanopia (blue-blind)
#008A90
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #387db4;
/* rgb */ color: rgb(56, 125, 180);
/* oklch */ color: oklch(57.1% 0.110 245.5);
Tailwind
colors: {
  custom: {
    50: '#7da2ca',
    500: '#387db4',
    950: '#000000',
  },
}
SCSS
$custom: #387db4;
$custom-light: #7da2ca;
$custom-dark: #000000;
JSON
{
  "hex": "#387db4",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 180
  },
  "hsl": {
    "h": 206.613,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57067,
    "c": 0.10987,
    "h": 245.5
  },
  "luminance": 0.18803
}

Semantic roles & 50–950 ramp

primary
#387DB4
secondary
#C5A082
accent
#8C4CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #387DB4

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

Preview Lab → · Contrast checker → · Palette generator →

#387DB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva