#4688D5#4688D5

#4688D5 is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.9% C 0.135 H 253.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#4688D5
RGBrgb(70, 136, 213)
HSLhsl(212, 63%, 55%)
HSVhsv(212, 67%, 84%)
CMYKcmyk(67.1%, 36.2%, 0%, 16.5%)
CIE-LABlab(55.80, 3.61, -45.71)
CIE-LCHlch(55.80, 45.86, 274.52°)
OKLaboklab(61.94% -0.0377 -0.1299)
OKLCHoklch(61.94% 0.135 253.8)
XYZxyz(23.3358, 23.7121, 66.2850)
Luminance0.2371 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4688D5 #D59346
analogous
#46CFD5 #4688D5 #4B46D5
triadic
#4688D5 #D54688 #88D546
tetradic
#4688D5 #D546CF #D59346 #46D54B
square
#4688D5 #D546CF #D59346 #46D54B
split-complementary
#4688D5 #D54B46 #CFD546
monochromatic
#1E4C83 #296AB5 #4688D5 #78A8E0 #AAC8EC

Accessibility & contrast

On white

3.66
#4688D5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#4688D5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688D5
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4688D5#FFFFFF#000000##000000
##4688D51.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#668DD8
Deuteranopia (green-blind)
#5180D3
Tritanopia (blue-blind)
#009AA4
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #4688d5;
/* rgb */ color: rgb(70, 136, 213);
/* oklch */ color: oklch(61.9% 0.135 253.8);
Tailwind
colors: {
  custom: {
    50: '#88aae2',
    500: '#4688d5',
    950: '#000000',
  },
}
SCSS
$custom: #4688d5;
$custom-light: #88aae2;
$custom-dark: #000000;
JSON
{
  "hex": "#4688d5",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 213
  },
  "hsl": {
    "h": 212.308,
    "s": 62.996,
    "l": 55.49
  },
  "oklch": {
    "l": 0.61939,
    "c": 0.13523,
    "h": 253.8
  },
  "luminance": 0.23715
}

Semantic roles & 50–950 ramp

primary
#4688D5
secondary
#D9BE9E
accent
#9A42E6
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0D1015
muted
#7D7F83

Preview Lab

Preview with #4688D5

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

Preview Lab → · Contrast checker → · Palette generator →

#4688D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva