#5191B2#5191B2

#5191B2 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.7% C 0.082 H 232.7°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#5191B2
RGBrgb(81, 145, 178)
HSLhsl(200, 39%, 51%)
HSVhsv(200, 54%, 70%)
CMYKcmyk(54.5%, 18.5%, 0%, 30.2%)
CIE-LABlab(57.28, -10.98, -23.55)
CIE-LCHlch(57.28, 25.98, 245.01°)
OKLaboklab(62.71% -0.05 -0.0656)
OKLCHoklch(62.71% 0.082 232.7)
XYZxyz(21.5516, 25.2126, 45.8416)
Luminance0.2521 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5191B2 #B27251
analogous
#51B2A2 #5191B2 #5160B2
triadic
#5191B2 #B25191 #91B251
tetradic
#5191B2 #A251B2 #B27251 #60B251
square
#5191B2 #A251B2 #B27251 #60B251
split-complementary
#5191B2 #B25160 #B2A251
monochromatic
#2A4D5F #3D6F89 #5191B2 #7BACC5 #A6C7D8

Accessibility & contrast

On white

3.48
#5191B2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.04
#5191B2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191B2
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5191B2#FFFFFF#000000##000000
##5191B21.003.486.046.04
#FFFFFF3.481.0021.0021.00
#0000006.0421.001.001.00
##0000006.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#818FB4
Deuteranopia (green-blind)
#7385B2
Tritanopia (blue-blind)
#079A9C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #5191b2;
/* rgb */ color: rgb(81, 145, 178);
/* oklch */ color: oklch(62.7% 0.082 232.7);
Tailwind
colors: {
  custom: {
    50: '#89b1c9',
    500: '#5191b2',
    950: '#000000',
  },
}
SCSS
$custom: #5191b2;
$custom-light: #89b1c9;
$custom-dark: #000000;
JSON
{
  "hex": "#5191b2",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 200.412,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.62713,
    "c": 0.08248,
    "h": 232.7
  },
  "luminance": 0.25214
}

Semantic roles & 50–950 ramp

primary
#5191B2
secondary
#C5A99A
accent
#8159CF
background
#F8FAFC
surface
#F0F5F8
border
#CBCFD1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #5191B2

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

Preview Lab → · Contrast checker → · Palette generator →

#5191B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva