#387AB5#387AB5

#387AB5 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.114 H 248.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#387AB5
RGBrgb(56, 122, 181)
HSLhsl(208, 53%, 46%)
HSVhsv(208, 69%, 71%)
CMYKcmyk(69.1%, 32.6%, 0%, 29%)
CIE-LABlab(49.61, -1.49, -37.28)
CIE-LCHlch(49.61, 37.31, 267.71°)
OKLaboklab(56.42% -0.0421 -0.1056)
OKLCHoklch(56.42% 0.114 248.3)
XYZxyz(16.9278, 18.0942, 46.3075)
Luminance0.1810 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387AB5 #B57338
analogous
#38B5B2 #387AB5 #383CB5
triadic
#387AB5 #B5387A #7AB538
tetradic
#387AB5 #B238B5 #B57338 #3CB538
square
#387AB5 #B238B5 #B57338 #3CB538
split-complementary
#387AB5 #B5383C #B5B238
monochromatic
#1B3B58 #2A5A86 #387AB5 #5D98CD #8CB6DB

Accessibility & contrast

On white

4.55
#387AB5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#387AB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387AB5
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387AB5#FFFFFF#000000##000000
##387AB51.004.554.624.62
#FFFFFF4.551.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#607DB8
Deuteranopia (green-blind)
#4E71B4
Tritanopia (blue-blind)
#00888F
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #387ab5;
/* rgb */ color: rgb(56, 122, 181);
/* oklch */ color: oklch(56.4% 0.114 248.3);
Tailwind
colors: {
  custom: {
    50: '#7da0cb',
    500: '#387ab5',
    950: '#000000',
  },
}
SCSS
$custom: #387ab5;
$custom-light: #7da0cb;
$custom-dark: #000000;
JSON
{
  "hex": "#387ab5",
  "rgb": {
    "r": 56,
    "g": 122,
    "b": 181
  },
  "hsl": {
    "h": 208.32,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56418,
    "c": 0.11369,
    "h": 248.3
  },
  "luminance": 0.18096
}

Semantic roles & 50–950 ramp

primary
#387AB5
secondary
#C6A383
accent
#904CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #387AB5

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

Preview Lab → · Contrast checker → · Palette generator →

#387AB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva