#587B8A#587B8A

#587B8A is a mid, muted cyan. Relative luminance 0.181; OKLCH L 56.2% C 0.046 H 226.4°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#587B8A
RGBrgb(88, 123, 138)
HSLhsl(198, 22%, 44%)
HSVhsv(198, 36%, 54%)
CMYKcmyk(36.2%, 10.9%, 0%, 45.9%)
CIE-LABlab(49.59, -8.40, -12.11)
CIE-LCHlch(49.59, 14.73, 235.25°)
OKLaboklab(56.21% -0.0317 -0.0332)
OKLCHoklch(56.21% 0.046 226.4)
XYZxyz(15.6934, 18.0747, 26.7017)
Luminance0.1808 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#587B8A #8A6758
analogous
#588A80 #587B8A #58628A
triadic
#587B8A #8A587B #7B8A58
tetradic
#587B8A #80588A #8A6758 #628A58
square
#587B8A #80588A #8A6758 #628A58
split-complementary
#587B8A #8A5862 #8A8058
monochromatic
#28383F #405A65 #587B8A #7799A8 #9CB5C0

Accessibility & contrast

On white

4.55
#587B8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#587B8A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587B8A
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##587B8A#FFFFFF#000000##000000
##587B8A1.004.554.624.62
#FFFFFF4.551.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#73798B
Deuteranopia (green-blind)
#6B738A
Tritanopia (blue-blind)
#468080
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #587b8a;
/* rgb */ color: rgb(88, 123, 138);
/* oklch */ color: oklch(56.2% 0.046 226.4);
Tailwind
colors: {
  custom: {
    50: '#89a1ac',
    500: '#587b8a',
    950: '#000000',
  },
}
SCSS
$custom: #587b8a;
$custom-light: #89a1ac;
$custom-dark: #000000;
JSON
{
  "hex": "#587b8a",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 198,
    "s": 22.124,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56207,
    "c": 0.04588,
    "h": 226.4
  },
  "luminance": 0.18076
}

Semantic roles & 50–950 ramp

primary
#587B8A
secondary
#AE9990
accent
#8369BF
background
#F8F9FA
surface
#F0F2F4
border
#CBCCCE
text
#0C0E10
muted
#7D7E7F

Preview Lab

Preview with #587B8A

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

Preview Lab → · Contrast checker → · Palette generator →

#587B8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva