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Recognised as Colour

#504D80

  • #504D80
  • Blue
  • Dark
  • Nearest: Dark slateblue

#504D80 is a blue with RGB values 80, 77, 128 and HSL 244°, 25%, 40%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#504D80#504D80
HEX#504D80
RGBrgb(80, 77, 128)
RGB (0–1)0.3137, 0.302, 0.502
RGB percentages31.4%, 30.2%, 50.2%
HSLhsl(243.5, 24.9%, 40.2%)
HSV / HSBhsv(243.5, 39.8%, 50.2%)
CMYK37.5%, 39.8%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,262,720
CSS custom property--colour: #504D80;

Brightness & contrast

Relative luminance0.08572WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.74:1
Contrast with white7.74:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#AFB27F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D5482no red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#3B517Fno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#435760no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.74:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.5Steel blue · ΔE 25.7Slate grey · ΔE 30.1Light slate grey · ΔE 31.8Dim grey · ΔE 33.2Midnight blue · ΔE 33.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D804D
Analogous#4D6480, #6A4D80
Triadic#80504D, #4D8050
Split complementary#806A4D, #64804D
Tetradic#804D64, #7D804D, #4D8069

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1C0D9
Lighter +30%#A2A0C6
Lighter +20%#8380B3
Lighter +10%#6460A0
Darker −10%#3C3A60
Darker −20%#282740
Darker −30%#141420
Darker −40%#000001
More saturated +25%#39339A
Less saturated −25%#676767

Channel breakdown

R80
G77
B128
Red80 (31.4%)
Green77 (30.2%)
Blue128 (50.2%)
Hue243.53°
Saturation (HSL)24.88%
Lightness40.2%
Dominant channelBlue
Hex per channelR 50 · G 4D · B 80

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Every value on this page was computed from “504d80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.