#4688D1#4688D1

#4688D1 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.7% C 0.130 H 252.7°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX#4688D1
RGBrgb(70, 136, 209)
HSLhsl(212, 60%, 55%)
HSVhsv(212, 67%, 82%)
CMYKcmyk(66.5%, 34.9%, 0%, 18%)
CIE-LABlab(55.60, 2.23, -43.78)
CIE-LCHlch(55.60, 43.84, 272.91°)
OKLaboklab(61.71% -0.0387 -0.1242)
OKLCHoklch(61.71% 0.13 252.7)
XYZxyz(22.8343, 23.5115, 63.6440)
Luminance0.2351 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4688D1 #D18F46
analogous
#46CDD1 #4688D1 #4A46D1
triadic
#4688D1 #D14688 #88D146
tetradic
#4688D1 #D146CD #D18F46 #46D14A
square
#4688D1 #D146CD #D18F46 #46D14A
split-complementary
#4688D1 #D14A46 #CDD146
monochromatic
#1F4C7D #2B6AAE #4688D1 #77A8DD #A8C7E9

Accessibility & contrast

On white

3.68
#4688D1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.70
#4688D1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688D1
5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4688D1#FFFFFF#000000##000000
##4688D11.003.685.705.70
#FFFFFF3.681.0021.0021.00
#0000005.7021.001.001.00
##0000005.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#688CD4
Deuteranopia (green-blind)
#547FD0
Tritanopia (blue-blind)
#0099A3
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #4688d1;
/* rgb */ color: rgb(70, 136, 209);
/* oklch */ color: oklch(61.7% 0.130 252.7);
Tailwind
colors: {
  custom: {
    50: '#87aadf',
    500: '#4688d1',
    950: '#000000',
  },
}
SCSS
$custom: #4688d1;
$custom-light: #87aadf;
$custom-dark: #000000;
JSON
{
  "hex": "#4688d1",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 209
  },
  "hsl": {
    "h": 211.511,
    "s": 60.173,
    "l": 54.706
  },
  "oklch": {
    "l": 0.61714,
    "c": 0.13011,
    "h": 252.7
  },
  "luminance": 0.23514
}

Semantic roles & 50–950 ramp

primary
#4688D1
secondary
#D7BB9C
accent
#9844E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4688D1

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

Preview Lab → · Contrast checker → · Palette generator →

#4688D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva