Nerdulator> put something in

Recognised as Colour

#506D80

  • #506D80
  • Blue
  • Dark
  • Nearest: Slate grey

#506D80 is a blue with RGB values 80, 109, 128 and HSL 204°, 23%, 41%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#506D80#506D80
HEX#506D80
RGBrgb(80, 109, 128)
RGB (0–1)0.3137, 0.4275, 0.502
RGB percentages31.4%, 42.7%, 50.2%
HSLhsl(203.8, 23.1%, 40.8%)
HSV / HSBhsv(203.8, 37.5%, 50.2%)
CMYK37.5%, 14.8%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,270,912
CSS custom property--colour: #506D80;

Brightness & contrast

Relative luminance0.14201WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.47:1
Contrast with white5.47:1WCAG normal text: AA
Contrast with black3.84:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#AF927F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#656C81no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#5E6780no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#3F7273no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.47:1WCAG large text: AAA
Contrast with black, large text3.84:1WCAG large text: AA

Named colours

Slate grey · ΔE 9.5Light slate grey · ΔE 12.2Dim grey · ΔE 14.9Gray · ΔE 17.4Dark slate grey · ΔE 17.9Steel blue · ΔE 20
Nearest named CSS colourSlate grey (#708090)ΔE 9.54, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#806350
Analogous#50807B, #505580
Triadic#80506D, #6D8050
Split complementary#805055, #807B50
Tetradic#7B5080, #806350, #558050

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3D0D9
Lighter +30%#A3B8C6
Lighter +20%#84A0B2
Lighter +10%#65889E
Darker −10%#3C5261
Darker −20%#293841
Darker −30%#151D22
Darker −40%#020202
More saturated +25%#36729A
Less saturated −25%#686868

Channel breakdown

R80
G109
B128
Red80 (31.4%)
Green109 (42.7%)
Blue128 (50.2%)
Hue203.75°
Saturation (HSL)23.08%
Lightness40.78%
Dominant channelBlue
Hex per channelR 50 · G 6D · B 80

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “506d80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.