#387ACB#387ACB

#387ACB is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.7% C 0.142 H 255.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#387ACB
RGBrgb(56, 122, 203)
HSLhsl(213, 59%, 51%)
HSVhsv(213, 72%, 80%)
CMYKcmyk(72.4%, 39.9%, 0%, 20.4%)
CIE-LABlab(50.77, 6.42, -48.07)
CIE-LCHlch(50.77, 48.50, 277.61°)
OKLaboklab(57.7% -0.0364 -0.1372)
OKLCHoklch(57.7% 0.142 255.1)
XYZxyz(19.3659, 19.0695, 59.1485)
Luminance0.1907 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387ACB #CB8938
analogous
#38C4CB #387ACB #3F38CB
triadic
#387ACB #CB387A #7ACB38
tetradic
#387ACB #CB38C4 #CB8938 #38CB3F
square
#387ACB #CB38C4 #CB8938 #38CB3F
split-complementary
#387ACB #CB3F38 #C4CB38
monochromatic
#1C406C #295D9D #387ACB #699AD8 #99BBE4

Accessibility & contrast

On white

4.36
#387ACB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#387ACB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387ACB
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387ACB#FFFFFF#000000##000000
##387ACB1.004.364.814.81
#FFFFFF4.361.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5480CE
Deuteranopia (green-blind)
#3C73C9
Tritanopia (blue-blind)
#008D98
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #387acb;
/* rgb */ color: rgb(56, 122, 203);
/* oklch */ color: oklch(57.7% 0.142 255.1);
Tailwind
colors: {
  custom: {
    50: '#819fdb',
    500: '#387acb',
    950: '#000000',
  },
}
SCSS
$custom: #387acb;
$custom-light: #819fdb;
$custom-dark: #000000;
JSON
{
  "hex": "#387acb",
  "rgb": {
    "r": 56,
    "g": 122,
    "b": 203
  },
  "hsl": {
    "h": 213.061,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57703,
    "c": 0.14193,
    "h": 255.1
  },
  "luminance": 0.19072
}

Semantic roles & 50–950 ramp

primary
#387ACB
secondary
#D0B38F
accent
#9C46E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #387ACB

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

Preview Lab → · Contrast checker → · Palette generator →

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