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Recognised as Colour

#5553AE

  • #5553AE
  • Blue
  • Dark
  • Nearest: Dark slateblue

#5553AE is a blue with RGB values 85, 83, 174 and HSL 241°, 36%, 50%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#5553AE#5553AE
HEX#5553AE
RGBrgb(85, 83, 174)
RGB (0–1)0.3333, 0.3255, 0.6824
RGB percentages33.3%, 32.5%, 68.2%
HSLhsl(241.3, 36%, 50.4%)
HSV / HSBhsv(241.3, 52.3%, 68.2%)
CMYK51.1%, 52.3%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,591,982
CSS custom property--colour: #5553AE;

Brightness & contrast

Relative luminance0.11174WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.49:1
Contrast with white6.49:1WCAG normal text: AA
Contrast with black3.23:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#AAAC51

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2561B1no red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#1C5BACno green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#326778no blue cones; rare, and affects men and women equally; ΔE 51.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.49:1WCAG large text: AAA
Contrast with black, large text3.23:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 11.1Slate blue · ΔE 14.5Rebecca purple · ΔE 18.1Royal blue · ΔE 18.5Medium purple · ΔE 18.5Midnight blue · ΔE 24.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ACAE53
Analogous#537EAE, #8353AE
Triadic#AE5553, #53AE55
Split complementary#AE8353, #7EAE53
Tetradic#AE537E, #ACAE53, #53AE83

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEDEEF
Lighter +30%#BCBBDF
Lighter +20%#9A98CF
Lighter +10%#7776BE
Darker −10%#44428C
Darker −20%#333269
Darker −30%#222147
Darker −40%#111124
More saturated +25%#3733CE
Less saturated −25%#73738E

Channel breakdown

R85
G83
B174
Red85 (33.3%)
Green83 (32.5%)
Blue174 (68.2%)
Hue241.32°
Saturation (HSL)35.97%
Lightness50.39%
Dominant channelBlue
Hex per channelR 55 · G 53 · B AE

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Every value on this page was computed from “5553ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.