#4388BD#4388BD

#4388BD is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.107 H 244.1°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX#4388BD
RGBrgb(67, 136, 189)
HSLhsl(206, 48%, 50%)
HSVhsv(206, 65%, 74%)
CMYKcmyk(64.6%, 28%, 0%, 25.9%)
CIE-LABlab(54.53, -5.11, -34.13)
CIE-LCHlch(54.53, 34.51, 261.48°)
OKLaboklab(60.53% -0.0466 -0.0962)
OKLCHoklch(60.53% 0.107 244.1)
XYZxyz(20.3008, 22.4737, 51.4022)
Luminance0.2248 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4388BD #BD7843
analogous
#43BDB5 #4388BD #434BBD
triadic
#4388BD #BD4388 #88BD43
tetradic
#4388BD #B543BD #BD7843 #4BBD43
square
#4388BD #B543BD #BD7843 #4BBD43
split-complementary
#4388BD #BD434B #BDB543
monochromatic
#234763 #336890 #4388BD #70A5CD #9EC1DD

Accessibility & contrast

On white

3.82
#4388BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.50
#4388BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388BD
5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4388BD#FFFFFF#000000##000000
##4388BD1.003.825.505.50
#FFFFFF3.821.0021.0021.00
#0000005.5021.001.001.00
##0000005.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7089BF
Deuteranopia (green-blind)
#607DBC
Tritanopia (blue-blind)
#00959A
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4388bd;
/* rgb */ color: rgb(67, 136, 189);
/* oklch */ color: oklch(60.5% 0.107 244.1);
Tailwind
colors: {
  custom: {
    50: '#83aad1',
    500: '#4388bd',
    950: '#000000',
  },
}
SCSS
$custom: #4388bd;
$custom-light: #83aad1;
$custom-dark: #000000;
JSON
{
  "hex": "#4388bd",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 189
  },
  "hsl": {
    "h": 206.066,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.60528,
    "c": 0.10689,
    "h": 244.1
  },
  "luminance": 0.22476
}

Semantic roles & 50–950 ramp

primary
#4388BD
secondary
#C9AA93
accent
#8B50D8
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4388BD

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

Preview Lab → · Contrast checker → · Palette generator →

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