#4688BB#4688BB

#4688BB is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.103 H 244.0°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX#4688BB
RGBrgb(70, 136, 187)
HSLhsl(206, 46%, 50%)
HSVhsv(206, 63%, 73%)
CMYKcmyk(62.6%, 27.3%, 0%, 26.7%)
CIE-LABlab(54.55, -5.24, -32.95)
CIE-LCHlch(54.55, 33.36, 260.97°)
OKLaboklab(60.55% -0.0451 -0.0927)
OKLCHoklch(60.55% 0.103 244)
XYZxyz(20.2962, 22.4963, 50.2767)
Luminance0.2250 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4688BB #BB7946
analogous
#46BBB3 #4688BB #464DBB
triadic
#4688BB #BB4688 #88BB46
tetradic
#4688BB #B346BB #BB7946 #4DBB46
square
#4688BB #B346BB #BB7946 #4DBB46
split-complementary
#4688BB #BB464D #BBB346
monochromatic
#244762 #35688F #4688BB #73A5CB #A0C2DC

Accessibility & contrast

On white

3.82
#4688BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.50
#4688BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688BB
5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4688BB#FFFFFF#000000##000000
##4688BB1.003.825.505.50
#FFFFFF3.821.0021.0021.00
#0000005.5021.001.001.00
##0000005.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7189BD
Deuteranopia (green-blind)
#627DBA
Tritanopia (blue-blind)
#00949A
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4688bb;
/* rgb */ color: rgb(70, 136, 187);
/* oklch */ color: oklch(60.5% 0.103 244.0);
Tailwind
colors: {
  custom: {
    50: '#84aacf',
    500: '#4688bb',
    950: '#000000',
  },
}
SCSS
$custom: #4688bb;
$custom-light: #84aacf;
$custom-dark: #000000;
JSON
{
  "hex": "#4688bb",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 187
  },
  "hsl": {
    "h": 206.154,
    "s": 46.245,
    "l": 50.392
  },
  "oklch": {
    "l": 0.60549,
    "c": 0.10311,
    "h": 244
  },
  "luminance": 0.22498
}

Semantic roles & 50–950 ramp

primary
#4688BB
secondary
#C8AB94
accent
#8B52D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4688BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4688BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva