#4587BB#4587BB

#4587BB is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.104 H 244.6°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#4587BB
RGBrgb(69, 135, 187)
HSLhsl(206, 46%, 50%)
HSVhsv(206, 63%, 73%)
CMYKcmyk(63.1%, 27.8%, 0%, 26.7%)
CIE-LABlab(54.22, -4.84, -33.47)
CIE-LCHlch(54.22, 33.82, 261.77°)
OKLaboklab(60.28% -0.0448 -0.0942)
OKLCHoklch(60.28% 0.104 244.6)
XYZxyz(20.0845, 22.1790, 50.2266)
Luminance0.2218 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4587BB #BB7945
analogous
#45BBB4 #4587BB #454CBB
triadic
#4587BB #BB4587 #87BB45
tetradic
#4587BB #B445BB #BB7945 #4CBB45
square
#4587BB #B445BB #BB7945 #4CBB45
split-complementary
#4587BB #BB454C #BBB445
monochromatic
#244662 #34678F #4587BB #72A4CB #9FC1DC

Accessibility & contrast

On white

3.86
#4587BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.44
#4587BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4587BB
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4587BB#FFFFFF#000000##000000
##4587BB1.003.865.445.44
#FFFFFF3.861.0021.0021.00
#0000005.4421.001.001.00
##0000005.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7088BD
Deuteranopia (green-blind)
#607CBA
Tritanopia (blue-blind)
#009499
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #4587bb;
/* rgb */ color: rgb(69, 135, 187);
/* oklch */ color: oklch(60.3% 0.104 244.6);
Tailwind
colors: {
  custom: {
    50: '#84a9cf',
    500: '#4587bb',
    950: '#000000',
  },
}
SCSS
$custom: #4587bb;
$custom-light: #84a9cf;
$custom-dark: #000000;
JSON
{
  "hex": "#4587bb",
  "rgb": {
    "r": 69,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 206.441,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.60275,
    "c": 0.10433,
    "h": 244.6
  },
  "luminance": 0.22181
}

Semantic roles & 50–950 ramp

primary
#4587BB
secondary
#C8AB94
accent
#8C52D6
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C0F14
muted
#7D7F82

Preview Lab

Preview with #4587BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4587BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva