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Recognised as Colour

#55488D

  • #55488D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#55488D is a blue with RGB values 85, 72, 141 and HSL 251°, 32%, 42%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#55488D#55488D
HEX#55488D
RGBrgb(85, 72, 141)
RGB (0–1)0.3333, 0.2824, 0.5529
RGB percentages33.3%, 28.2%, 55.3%
HSLhsl(251.3, 32.4%, 41.8%)
HSV / HSBhsv(251.3, 48.9%, 55.3%)
CMYK39.7%, 48.9%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,589,133
CSS custom property--colour: #55488D;

Brightness & contrast

Relative luminance0.08489WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.78:1
Contrast with white7.78:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#AAB772

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E548Fno red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#2F518Bno green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#465664no blue cones; rare, and affects men and women equally; ΔE 36.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.78:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 7.5Rebecca purple · ΔE 22.6Midnight blue · ΔE 24.7Slate blue · ΔE 27Medium purple · ΔE 27.8Royal blue · ΔE 31.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 7.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#808D48
Analogous#485D8D, #78488D
Triadic#8D5548, #488D55
Split complementary#8D7848, #5E8D48
Tetradic#8D485D, #808D48, #488D78

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7C1E0
Lighter +30%#A8A0CE
Lighter +20%#8A7EBD
Lighter +10%#6B5CAC
Darker −10%#41376B
Darker −20%#2C2649
Darker −30%#181428
Darker −40%#040306
More saturated +25%#442DA8
Less saturated −25%#666372

Channel breakdown

R85
G72
B141
Red85 (33.3%)
Green72 (28.2%)
Blue141 (55.3%)
Hue251.3°
Saturation (HSL)32.39%
Lightness41.76%
Dominant channelBlue
Hex per channelR 55 · G 48 · B 8D

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Every value on this page was computed from “55488d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.