#387FBC#387FBC

#387FBC is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.0% C 0.118 H 247.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX#387FBC
RGBrgb(56, 127, 188)
HSLhsl(208, 54%, 48%)
HSVhsv(208, 70%, 74%)
CMYKcmyk(70.2%, 32.4%, 0%, 26.3%)
CIE-LABlab(51.44, -1.99, -38.43)
CIE-LCHlch(51.44, 38.49, 267.03°)
OKLaboklab(57.97% -0.0451 -0.1089)
OKLCHoklch(57.97% 0.118 247.5)
XYZxyz(18.2939, 19.6484, 50.3956)
Luminance0.1965 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387FBC #BC7538
analogous
#38BCB7 #387FBC #383DBC
triadic
#387FBC #BC387F #7FBC38
tetradic
#387FBC #B738BC #BC7538 #3DBC38
square
#387FBC #B738BC #BC7538 #3DBC38
split-complementary
#387FBC #BC383D #BCB738
monochromatic
#1C3F5E #2A5F8D #387FBC #619DD0 #90BADE

Accessibility & contrast

On white

4.26
#387FBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.93
#387FBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387FBC
4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387FBC#FFFFFF#000000##000000
##387FBC1.004.264.934.93
#FFFFFF4.261.0021.0021.00
#0000004.9321.001.001.00
##0000004.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6481BF
Deuteranopia (green-blind)
#5175BB
Tritanopia (blue-blind)
#008E95
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #387fbc;
/* rgb */ color: rgb(56, 127, 188);
/* oklch */ color: oklch(58.0% 0.118 247.5);
Tailwind
colors: {
  custom: {
    50: '#7ea3d0',
    500: '#387fbc',
    950: '#000000',
  },
}
SCSS
$custom: #387fbc;
$custom-light: #7ea3d0;
$custom-dark: #000000;
JSON
{
  "hex": "#387fbc",
  "rgb": {
    "r": 56,
    "g": 127,
    "b": 188
  },
  "hsl": {
    "h": 207.727,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57969,
    "c": 0.11787,
    "h": 247.5
  },
  "luminance": 0.1965
}

Semantic roles & 50–950 ramp

primary
#387FBC
secondary
#C9A587
accent
#8E4ADD
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #387FBC

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

Preview Lab → · Contrast checker → · Palette generator →

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