#4588CC#4588CC

#4588CC is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.4% C 0.124 H 250.8°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#4588CC
RGBrgb(69, 136, 204)
HSLhsl(210, 57%, 54%)
HSVhsv(210, 66%, 80%)
CMYKcmyk(66.2%, 33.3%, 0%, 20%)
CIE-LABlab(55.31, 0.34, -41.41)
CIE-LCHlch(55.31, 41.41, 270.47°)
OKLaboklab(61.4% -0.0408 -0.1173)
OKLCHoklch(61.4% 0.124 250.8)
XYZxyz(22.1535, 23.2309, 60.4315)
Luminance0.2323 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4588CC #CC8945
analogous
#45CCCC #4588CC #4545CC
triadic
#4588CC #CC4588 #88CC45
tetradic
#4588CC #CC45CC #CC8945 #45CC45
square
#4588CC #CC45CC #CC8945 #45CC45
split-complementary
#4588CC #CC4545 #CCCC45
monochromatic
#204B76 #2E69A6 #4588CC #75A7D9 #A5C5E6

Accessibility & contrast

On white

3.72
#4588CC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.65
#4588CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4588CC
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4588CC#FFFFFF#000000##000000
##4588CC1.003.725.655.65
#FFFFFF3.721.0021.0021.00
#0000005.6521.001.001.00
##0000005.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A8CCF
Deuteranopia (green-blind)
#577FCB
Tritanopia (blue-blind)
#0098A1
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4588cc;
/* rgb */ color: rgb(69, 136, 204);
/* oklch */ color: oklch(61.4% 0.124 250.8);
Tailwind
colors: {
  custom: {
    50: '#86aadc',
    500: '#4588cc',
    950: '#000000',
  },
}
SCSS
$custom: #4588cc;
$custom-light: #86aadc;
$custom-dark: #000000;
JSON
{
  "hex": "#4588cc",
  "rgb": {
    "r": 69,
    "g": 136,
    "b": 204
  },
  "hsl": {
    "h": 210.222,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61398,
    "c": 0.1242,
    "h": 250.8
  },
  "luminance": 0.23233
}

Semantic roles & 50–950 ramp

primary
#4588CC
secondary
#D3B799
accent
#9448E0
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4588CC

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

Preview Lab → · Contrast checker → · Palette generator →

#4588CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva