#387DCB#387DCB

#387DCB is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.4% C 0.139 H 253.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#387DCB
RGBrgb(56, 125, 203)
HSLhsl(212, 59%, 51%)
HSVhsv(212, 72%, 80%)
CMYKcmyk(72.4%, 38.4%, 0%, 20.4%)
CIE-LABlab(51.63, 4.59, -46.70)
CIE-LCHlch(51.63, 46.92, 275.61°)
OKLaboklab(58.37% -0.0392 -0.1331)
OKLCHoklch(58.37% 0.139 253.6)
XYZxyz(19.7400, 19.8176, 59.2732)
Luminance0.1982 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387DCB #CB8638
analogous
#38C6CB #387DCB #3C38CB
triadic
#387DCB #CB387D #7DCB38
tetradic
#387DCB #CB38C6 #CB8638 #38CB3C
square
#387DCB #CB38C6 #CB8638 #38CB3C
split-complementary
#387DCB #CB3C38 #C6CB38
monochromatic
#1C426C #295F9D #387DCB #699DD8 #99BCE4

Accessibility & contrast

On white

4.23
#387DCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.96
#387DCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DCB
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387DCB#FFFFFF#000000##000000
##387DCB1.004.234.964.96
#FFFFFF4.231.0021.0021.00
#0000004.9621.001.001.00
##0000004.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5982CE
Deuteranopia (green-blind)
#4275C9
Tritanopia (blue-blind)
#008F9A
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #387dcb;
/* rgb */ color: rgb(56, 125, 203);
/* oklch */ color: oklch(58.4% 0.139 253.6);
Tailwind
colors: {
  custom: {
    50: '#81a2db',
    500: '#387dcb',
    950: '#000000',
  },
}
SCSS
$custom: #387dcb;
$custom-light: #81a2db;
$custom-dark: #000000;
JSON
{
  "hex": "#387dcb",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 211.837,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58374,
    "c": 0.13874,
    "h": 253.6
  },
  "luminance": 0.1982
}

Semantic roles & 50–950 ramp

primary
#387DCB
secondary
#D0B18F
accent
#9946E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83

Preview Lab

Preview with #387DCB

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

Preview Lab → · Contrast checker → · Palette generator →

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