#51909F#51909F

#51909F is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.7% C 0.069 H 214.9°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX#51909F
RGBrgb(81, 144, 159)
HSLhsl(192, 33%, 47%)
HSVhsv(192, 49%, 62%)
CMYKcmyk(49.1%, 9.4%, 0%, 37.6%)
CIE-LABlab(56.28, -16.06, -14.22)
CIE-LCHlch(56.28, 21.45, 221.51°)
OKLaboklab(61.69% -0.0563 -0.0392)
OKLCHoklch(61.69% 0.069 214.9)
XYZxyz(19.6222, 24.1975, 36.4307)
Luminance0.2420 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51909F #9F6051
analogous
#519F87 #51909F #51699F
triadic
#51909F #9F5190 #909F51
tetradic
#51909F #87519F #9F6051 #699F51
square
#51909F #87519F #9F6051 #699F51
split-complementary
#51909F #9F5169 #9F8751
monochromatic
#28474E #3C6B76 #51909F #75ABB9 #9DC4CD

Accessibility & contrast

On white

3.60
#51909F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.84
#51909F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51909F
5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51909F#FFFFFF#000000##000000
##51909F1.003.605.845.84
#FFFFFF3.601.0021.0021.00
#0000005.8421.001.001.00
##0000005.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#858CA0
Deuteranopia (green-blind)
#79839F
Tritanopia (blue-blind)
#279695
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #51909f;
/* rgb */ color: rgb(81, 144, 159);
/* oklch */ color: oklch(61.7% 0.069 214.9);
Tailwind
colors: {
  custom: {
    50: '#87b0bb',
    500: '#51909f',
    950: '#000000',
  },
}
SCSS
$custom: #51909f;
$custom-light: #87b0bb;
$custom-dark: #000000;
JSON
{
  "hex": "#51909f",
  "rgb": {
    "r": 81,
    "g": 144,
    "b": 159
  },
  "hsl": {
    "h": 191.538,
    "s": 32.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.61687,
    "c": 0.0686,
    "h": 214.9
  },
  "luminance": 0.24199
}

Semantic roles & 50–950 ramp

primary
#51909F
secondary
#BA9992
accent
#735FC9
background
#F8FAFB
surface
#F0F4F6
border
#CBCED0
text
#0C1011
muted
#7D7F80

Preview Lab

Preview with #51909F

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

Preview Lab → · Contrast checker → · Palette generator →

#51909F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva