#4688B3#4688B3

#4688B3 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.094 H 239.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#4688B3
RGBrgb(70, 136, 179)
HSLhsl(204, 44%, 49%)
HSVhsv(204, 61%, 70%)
CMYKcmyk(60.9%, 24%, 0%, 29.8%)
CIE-LABlab(54.20, -7.87, -28.92)
CIE-LCHlch(54.20, 29.97, 254.77°)
OKLaboklab(60.16% -0.0478 -0.0811)
OKLCHoklch(60.16% 0.094 239.5)
XYZxyz(19.4636, 22.1632, 45.8913)
Luminance0.2217 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4688B3 #B37146
analogous
#46B3A8 #4688B3 #4652B3
triadic
#4688B3 #B34688 #88B346
tetradic
#4688B3 #A846B3 #B37146 #52B346
square
#4688B3 #A846B3 #B37146 #52B346
split-complementary
#4688B3 #B34652 #B3A846
monochromatic
#24455B #356787 #4688B3 #6FA4C7 #9BC0D8

Accessibility & contrast

On white

3.87
#4688B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#4688B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688B3
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4688B3#FFFFFF#000000##000000
##4688B31.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7488B5
Deuteranopia (green-blind)
#667DB2
Tritanopia (blue-blind)
#009397
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4688b3;
/* rgb */ color: rgb(70, 136, 179);
/* oklch */ color: oklch(60.2% 0.094 239.5);
Tailwind
colors: {
  custom: {
    50: '#83aaca',
    500: '#4688b3',
    950: '#000000',
  },
}
SCSS
$custom: #4688b3;
$custom-light: #83aaca;
$custom-dark: #000000;
JSON
{
  "hex": "#4688b3",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 179
  },
  "hsl": {
    "h": 203.67,
    "s": 43.775,
    "l": 48.824
  },
  "oklch": {
    "l": 0.60156,
    "c": 0.09412,
    "h": 239.5
  },
  "luminance": 0.22165
}

Semantic roles & 50–950 ramp

primary
#4688B3
secondary
#C4A590
accent
#8654D4
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #4688B3

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

Preview Lab → · Contrast checker → · Palette generator →

#4688B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva