#387AB3#387AB3

#387AB3 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.111 H 247.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#387AB3
RGBrgb(56, 122, 179)
HSLhsl(208, 52%, 46%)
HSVhsv(208, 69%, 70%)
CMYKcmyk(68.7%, 31.8%, 0%, 29.8%)
CIE-LABlab(49.51, -2.20, -36.28)
CIE-LCHlch(49.51, 36.35, 266.53°)
OKLaboklab(56.31% -0.0427 -0.1027)
OKLCHoklch(56.31% 0.111 247.4)
XYZxyz(16.7240, 18.0127, 45.2345)
Luminance0.1801 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387AB3 #B37138
analogous
#38B3AE #387AB3 #383CB3
triadic
#387AB3 #B3387A #7AB338
tetradic
#387AB3 #AE38B3 #B37138 #3CB338
square
#387AB3 #AE38B3 #B37138 #3CB338
split-complementary
#387AB3 #B3383C #B3AE38
monochromatic
#1B3A56 #295A84 #387AB3 #5C98CC #8BB6DB

Accessibility & contrast

On white

4.56
#387AB3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#387AB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387AB3
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387AB3#FFFFFF#000000##000000
##387AB31.004.564.604.60
#FFFFFF4.561.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#617CB5
Deuteranopia (green-blind)
#5070B2
Tritanopia (blue-blind)
#00888E
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #387ab3;
/* rgb */ color: rgb(56, 122, 179);
/* oklch */ color: oklch(56.3% 0.111 247.4);
Tailwind
colors: {
  custom: {
    50: '#7ca0ca',
    500: '#387ab3',
    950: '#000000',
  },
}
SCSS
$custom: #387ab3;
$custom-light: #7ca0ca;
$custom-dark: #000000;
JSON
{
  "hex": "#387ab3",
  "rgb": {
    "r": 56,
    "g": 122,
    "b": 179
  },
  "hsl": {
    "h": 207.805,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56309,
    "c": 0.11122,
    "h": 247.4
  },
  "luminance": 0.18014
}

Semantic roles & 50–950 ramp

primary
#387AB3
secondary
#C5A182
accent
#8F4CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #387AB3

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

Preview Lab → · Contrast checker → · Palette generator →

#387AB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva