#4388D1#4388D1

#4388D1 is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.6% C 0.131 H 251.9°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX#4388D1
RGBrgb(67, 136, 209)
HSLhsl(211, 61%, 54%)
HSVhsv(211, 68%, 82%)
CMYKcmyk(67.9%, 34.9%, 0%, 18%)
CIE-LABlab(55.48, 1.74, -43.96)
CIE-LCHlch(55.48, 44.00, 272.27°)
OKLaboklab(61.6% -0.0408 -0.1248)
OKLCHoklch(61.6% 0.131 251.9)
XYZxyz(22.6233, 23.4027, 63.6341)
Luminance0.2341 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4388D1 #D18C43
analogous
#43CFD1 #4388D1 #4543D1
triadic
#4388D1 #D14388 #88D143
tetradic
#4388D1 #D143CF #D18C43 #43D145
square
#4388D1 #D143CF #D18C43 #43D145
split-complementary
#4388D1 #D14543 #CFD143
monochromatic
#1E4B7B #2A6AAD #4388D1 #74A7DD #A5C6E9

Accessibility & contrast

On white

3.70
#4388D1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.68
#4388D1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388D1
5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4388D1#FFFFFF#000000##000000
##4388D11.003.705.685.68
#FFFFFF3.701.0021.0021.00
#0000005.6821.001.001.00
##0000005.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#688CD4
Deuteranopia (green-blind)
#537FD0
Tritanopia (blue-blind)
#0099A3
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #4388d1;
/* rgb */ color: rgb(67, 136, 209);
/* oklch */ color: oklch(61.6% 0.131 251.9);
Tailwind
colors: {
  custom: {
    50: '#86aadf',
    500: '#4388d1',
    950: '#000000',
  },
}
SCSS
$custom: #4388d1;
$custom-light: #86aadf;
$custom-dark: #000000;
JSON
{
  "hex": "#4388d1",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 209
  },
  "hsl": {
    "h": 210.845,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.61596,
    "c": 0.1313,
    "h": 251.9
  },
  "luminance": 0.23405
}

Semantic roles & 50–950 ramp

primary
#4388D1
secondary
#D6B99A
accent
#9644E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4388D1

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

Preview Lab → · Contrast checker → · Palette generator →

#4388D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva