#4388BC#4388BC

#4388BC is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.5% C 0.106 H 243.6°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#4388BC
RGBrgb(67, 136, 188)
HSLhsl(206, 47%, 50%)
HSVhsv(206, 64%, 74%)
CMYKcmyk(64.4%, 27.7%, 0%, 26.3%)
CIE-LABlab(54.48, -5.45, -33.63)
CIE-LCHlch(54.48, 34.07, 260.80°)
OKLaboklab(60.48% -0.0469 -0.0947)
OKLCHoklch(60.48% 0.106 243.6)
XYZxyz(20.1926, 22.4304, 50.8325)
Luminance0.2243 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4388BC #BC7743
analogous
#43BCB3 #4388BC #434CBC
triadic
#4388BC #BC4388 #88BC43
tetradic
#4388BC #B343BC #BC7743 #4CBC43
square
#4388BC #B343BC #BC7743 #4CBC43
split-complementary
#4388BC #BC434C #BCB343
monochromatic
#234762 #33678F #4388BC #70A5CC #9DC1DC

Accessibility & contrast

On white

3.83
#4388BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.49
#4388BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388BC
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4388BC#FFFFFF#000000##000000
##4388BC1.003.835.495.49
#FFFFFF3.831.0021.0021.00
#0000005.4921.001.001.00
##0000005.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7189BE
Deuteranopia (green-blind)
#607DBB
Tritanopia (blue-blind)
#00959A
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4388bc;
/* rgb */ color: rgb(67, 136, 188);
/* oklch */ color: oklch(60.5% 0.106 243.6);
Tailwind
colors: {
  custom: {
    50: '#83aad0',
    500: '#4388bc',
    950: '#000000',
  },
}
SCSS
$custom: #4388bc;
$custom-light: #83aad0;
$custom-dark: #000000;
JSON
{
  "hex": "#4388bc",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 188
  },
  "hsl": {
    "h": 205.785,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.60477,
    "c": 0.10573,
    "h": 243.6
  },
  "luminance": 0.22432
}

Semantic roles & 50–950 ramp

primary
#4388BC
secondary
#C9AA92
accent
#8A51D7
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4388BC

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

Preview Lab → · Contrast checker → · Palette generator →

#4388BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva