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Recognised as Colour

#5B48A8

  • #5B48A8
  • Blue
  • Dark
  • Nearest: Rebecca purple

#5B48A8 is a blue with RGB values 91, 72, 168 and HSL 252°, 40%, 47%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#5B48A8#5B48A8
HEX#5B48A8
RGBrgb(91, 72, 168)
RGB (0–1)0.3569, 0.2824, 0.6588
RGB percentages35.7%, 28.2%, 65.9%
HSLhsl(251.9, 40%, 47.1%)
HSV / HSBhsv(251.9, 57.1%, 65.9%)
CMYK45.8%, 57.1%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,982,376
CSS custom property--colour: #5B48A8;

Brightness & contrast

Relative luminance0.09686WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.15:1
Contrast with white7.15:1WCAG normal text: AAA
Contrast with black2.94:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#A4B757

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D5AABno red cones; affects about 1% of men; ΔE 22.3 from the original
Deuteranopia#0F55A6no green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#435D71no blue cones; rare, and affects men and women equally; ΔE 50.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.15:1WCAG large text: AAA
Contrast with black, large text2.94:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11.4Dark slateblue · ΔE 11.6Slate blue · ΔE 12.3Medium purple · ΔE 18.2Royal blue · ΔE 20.2Midnight blue · ΔE 21.4
Nearest named CSS colourRebecca purple (#663399)ΔE 11.43, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#95A848
Analogous#4865A8, #8B48A8
Triadic#A85B48, #48A85B
Split complementary#A88B48, #65A848
Tetradic#A84865, #95A848, #48A88B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6D1EB
Lighter +30%#B6ADDC
Lighter +20%#9789CD
Lighter +10%#7766BD
Darker −10%#483984
Darker −20%#342961
Darker −30%#211A3D
Darker −40%#0E0B19
More saturated +25%#492AC6
Less saturated −25%#6D668A

Channel breakdown

R91
G72
B168
Red91 (35.7%)
Green72 (28.2%)
Blue168 (65.9%)
Hue251.88°
Saturation (HSL)40%
Lightness47.06%
Dominant channelBlue
Hex per channelR 5B · G 48 · B A8

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Every value on this page was computed from “5b48a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.