#4188BE#4188BE

#4188BE is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.109 H 244.0°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#4188BE
RGBrgb(65, 136, 190)
HSLhsl(206, 49%, 50%)
HSVhsv(206, 66%, 75%)
CMYKcmyk(65.8%, 28.4%, 0%, 25.5%)
CIE-LABlab(54.50, -5.12, -34.75)
CIE-LCHlch(54.50, 35.13, 261.61°)
OKLaboklab(60.5% -0.0477 -0.098)
OKLCHoklch(60.5% 0.109 244)
XYZxyz(20.2749, 22.4478, 51.9696)
Luminance0.2245 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4188BE #BE7741
analogous
#41BEB6 #4188BE #4149BE
triadic
#4188BE #BE4188 #88BE41
tetradic
#4188BE #B641BE #BE7741 #49BE41
square
#4188BE #B641BE #BE7741 #49BE41
split-complementary
#4188BE #BE4149 #BEB641
monochromatic
#224763 #316790 #4188BE #6FA5CE #9CC1DD

Accessibility & contrast

On white

3.83
#4188BE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.49
#4188BE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4188BE
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4188BE#FFFFFF#000000##000000
##4188BE1.003.835.495.49
#FFFFFF3.831.0021.0021.00
#0000005.4921.001.001.00
##0000005.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7089C0
Deuteranopia (green-blind)
#5F7DBD
Tritanopia (blue-blind)
#00959B
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4188be;
/* rgb */ color: rgb(65, 136, 190);
/* oklch */ color: oklch(60.5% 0.109 244.0);
Tailwind
colors: {
  custom: {
    50: '#82aad2',
    500: '#4188be',
    950: '#000000',
  },
}
SCSS
$custom: #4188be;
$custom-light: #82aad2;
$custom-dark: #000000;
JSON
{
  "hex": "#4188be",
  "rgb": {
    "r": 65,
    "g": 136,
    "b": 190
  },
  "hsl": {
    "h": 205.92,
    "s": 49.02,
    "l": 50
  },
  "oklch": {
    "l": 0.60501,
    "c": 0.10898,
    "h": 244
  },
  "luminance": 0.2245
}

Semantic roles & 50–950 ramp

primary
#4188BE
secondary
#C9AA91
accent
#8B4FD9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4188BE

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

Preview Lab → · Contrast checker → · Palette generator →

#4188BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva