#388BBF#388BBF

#388BBF is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.9% C 0.112 H 239.9°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#388BBF
RGBrgb(56, 139, 191)
HSLhsl(203, 55%, 48%)
HSVhsv(203, 71%, 75%)
CMYKcmyk(70.7%, 27.2%, 0%, 25.1%)
CIE-LABlab(55.14, -7.94, -34.34)
CIE-LCHlch(55.14, 35.24, 256.98°)
OKLaboklab(60.94% -0.0561 -0.0969)
OKLCHoklch(60.94% 0.112 239.9)
XYZxyz(20.2638, 23.0653, 52.6642)
Luminance0.2307 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#388BBF #BF6C38
analogous
#38BFAF #388BBF #3847BF
triadic
#388BBF #BF388B #8BBF38
tetradic
#388BBF #AF38BF #BF6C38 #47BF38
square
#388BBF #AF38BF #BF6C38 #47BF38
split-complementary
#388BBF #BF3847 #BFAF38
monochromatic
#1C4660 #2A6990 #388BBF #63A7D1 #92C2DF

Accessibility & contrast

On white

3.74
#388BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.61
#388BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BBF
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##388BBF#FFFFFF#000000##000000
##388BBF1.003.745.615.61
#FFFFFF3.741.0021.0021.00
#0000005.6121.001.001.00
##0000005.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#738BC1
Deuteranopia (green-blind)
#607EBE
Tritanopia (blue-blind)
#00989D
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #388bbf;
/* rgb */ color: rgb(56, 139, 191);
/* oklch */ color: oklch(60.9% 0.112 239.9);
Tailwind
colors: {
  custom: {
    50: '#7facd2',
    500: '#388bbf',
    950: '#000000',
  },
}
SCSS
$custom: #388bbf;
$custom-light: #7facd2;
$custom-dark: #000000;
JSON
{
  "hex": "#388bbf",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 203.111,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60941,
    "c": 0.11194,
    "h": 239.9
  },
  "luminance": 0.23068
}

Semantic roles & 50–950 ramp

primary
#388BBF
secondary
#CAA289
accent
#834ADE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #388BBF

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

Preview Lab → · Contrast checker → · Palette generator →

#388BBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva