#387BB9#387BB9

#387BB9 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.9% C 0.118 H 249.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#387BB9
RGBrgb(56, 123, 185)
HSLhsl(209, 54%, 47%)
HSVhsv(209, 70%, 73%)
CMYKcmyk(69.7%, 33.5%, 0%, 27.5%)
CIE-LABlab(50.11, -0.67, -38.81)
CIE-LCHlch(50.11, 38.81, 269.01°)
OKLaboklab(56.87% -0.042 -0.11)
OKLCHoklch(56.87% 0.118 249.1)
XYZxyz(17.4675, 18.5076, 48.5413)
Luminance0.1851 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387BB9 #B97638
analogous
#38B9B6 #387BB9 #383BB9
triadic
#387BB9 #B9387B #7BB938
tetradic
#387BB9 #B638B9 #B97638 #3BB938
square
#387BB9 #B638B9 #B97638 #3BB938
split-complementary
#387BB9 #B9383B #B9B638
monochromatic
#1C3D5B #2A5C8A #387BB9 #5F99CF #8EB7DD

Accessibility & contrast

On white

4.47
#387BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.70
#387BB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BB9
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387BB9#FFFFFF#000000##000000
##387BB91.004.474.704.70
#FFFFFF4.471.0021.0021.00
#0000004.7021.001.001.00
##0000004.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F7EBC
Deuteranopia (green-blind)
#4D72B8
Tritanopia (blue-blind)
#008A91
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #387bb9;
/* rgb */ color: rgb(56, 123, 185);
/* oklch */ color: oklch(56.9% 0.118 249.1);
Tailwind
colors: {
  custom: {
    50: '#7da0ce',
    500: '#387bb9',
    950: '#000000',
  },
}
SCSS
$custom: #387bb9;
$custom-light: #7da0ce;
$custom-dark: #000000;
JSON
{
  "hex": "#387bb9",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 185
  },
  "hsl": {
    "h": 208.837,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56874,
    "c": 0.11778,
    "h": 249.1
  },
  "luminance": 0.18509
}

Semantic roles & 50–950 ramp

primary
#387BB9
secondary
#C8A585
accent
#914BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #387BB9

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

Preview Lab → · Contrast checker → · Palette generator →

#387BB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva