#5591CD#5591CD

#5591CD is a light, moderate cyan. Relative luminance 0.266; OKLCH L 64.2% C 0.110 H 249.9°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX#5591CD
RGBrgb(85, 145, 205)
HSLhsl(210, 55%, 57%)
HSVhsv(210, 59%, 80%)
CMYKcmyk(58.5%, 29.3%, 0%, 19.6%)
CIE-LABlab(58.59, -1.64, -36.78)
CIE-LCHlch(58.59, 36.81, 267.45°)
OKLaboklab(64.17% -0.0379 -0.1035)
OKLCHoklch(64.17% 0.11 249.9)
XYZxyz(24.8872, 26.5877, 61.5662)
Luminance0.2659 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5591CD #CD9155
analogous
#55CDCD #5591CD #5555CD
triadic
#5591CD #CD5591 #91CD55
tetradic
#5591CD #CD55CD #CD9155 #55CD55
square
#5591CD #CD55CD #CD9155 #55CD55
split-complementary
#5591CD #CD5555 #CDCD55
monochromatic
#265482 #3472B1 #5591CD #84B0DB #B4CEE9

Accessibility & contrast

On white

3.32
#5591CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.32
#5591CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591CD
6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5591CD#FFFFFF#000000##000000
##5591CD1.003.326.326.32
#FFFFFF3.321.0021.0021.00
#0000006.3221.001.001.00
##0000006.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7893D0
Deuteranopia (green-blind)
#6888CC
Tritanopia (blue-blind)
#009FA6
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #5591cd;
/* rgb */ color: rgb(85, 145, 205);
/* oklch */ color: oklch(64.2% 0.110 249.9);
Tailwind
colors: {
  custom: {
    50: '#8eb1dc',
    500: '#5591cd',
    950: '#000000',
  },
}
SCSS
$custom: #5591cd;
$custom-light: #8eb1dc;
$custom-dark: #000000;
JSON
{
  "hex": "#5591cd",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 205
  },
  "hsl": {
    "h": 210,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.64169,
    "c": 0.11026,
    "h": 249.9
  },
  "luminance": 0.2659
}

Semantic roles & 50–950 ramp

primary
#5591CD
secondary
#D7BFA6
accent
#944ADE
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #5591CD

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

Preview Lab → · Contrast checker → · Palette generator →

#5591CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva