#387BB4#387BB4

#387BB4 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.112 H 247.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#387BB4
RGBrgb(56, 123, 180)
HSLhsl(208, 53%, 46%)
HSVhsv(208, 69%, 71%)
CMYKcmyk(68.9%, 31.7%, 0%, 29.4%)
CIE-LABlab(49.86, -2.44, -36.32)
CIE-LCHlch(49.86, 36.40, 266.16°)
OKLaboklab(56.6% -0.0434 -0.1028)
OKLCHoklch(56.6% 0.112 247.1)
XYZxyz(16.9490, 18.3002, 45.8102)
Luminance0.1830 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#387BB4 #B47138
analogous
#38B4AF #387BB4 #383DB4
triadic
#387BB4 #B4387B #7BB438
tetradic
#387BB4 #AF38B4 #B47138 #3DB438
square
#387BB4 #AF38B4 #B47138 #3DB438
split-complementary
#387BB4 #B4383D #B4AF38
monochromatic
#1B3B57 #295B85 #387BB4 #5D99CD #8BB6DB

Accessibility & contrast

On white

4.51
#387BB4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.66
#387BB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BB4
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##387BB4#FFFFFF#000000##000000
##387BB41.004.514.664.66
#FFFFFF4.511.0021.0021.00
#0000004.6621.001.001.00
##0000004.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#627DB6
Deuteranopia (green-blind)
#5071B3
Tritanopia (blue-blind)
#00898F
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #387bb4;
/* rgb */ color: rgb(56, 123, 180);
/* oklch */ color: oklch(56.6% 0.112 247.1);
Tailwind
colors: {
  custom: {
    50: '#7da0ca',
    500: '#387bb4',
    950: '#000000',
  },
}
SCSS
$custom: #387bb4;
$custom-light: #7da0ca;
$custom-dark: #000000;
JSON
{
  "hex": "#387bb4",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 207.581,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56597,
    "c": 0.11157,
    "h": 247.1
  },
  "luminance": 0.18302
}

Semantic roles & 50–950 ramp

primary
#387BB4
secondary
#C5A182
accent
#8E4CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #387BB4

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

Preview Lab → · Contrast checker → · Palette generator →

#387BB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva