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Recognised as Colour

#5B48DB

  • #5B48DB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#5B48DB is a blue with RGB values 91, 72, 219 and HSL 248°, 67%, 57%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#5B48DB#5B48DB
HEX#5B48DB
RGBrgb(91, 72, 219)
RGB (0–1)0.3569, 0.2824, 0.8588
RGB percentages35.7%, 28.2%, 85.9%
HSLhsl(247.8, 67.1%, 57.1%)
HSV / HSBhsv(247.8, 67.1%, 85.9%)
CMYK58.4%, 67.1%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,982,427
CSS custom property--colour: #5B48DB;

Brightness & contrast

Relative luminance0.11973WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.19:1
Contrast with white6.19:1WCAG normal text: AA
Contrast with black3.39:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#A4B724

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066E0no red cones; affects about 1% of men; ΔE 25.5 from the original
Deuteranopia#005CD8no green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#006E8Cno blue cones; rare, and affects men and women equally; ΔE 79.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.19:1WCAG large text: AAA
Contrast with black, large text3.39:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 14.9Slate blue · ΔE 19.5Dark orchid · ΔE 21.3Blue violet · ΔE 21.9Royal blue · ΔE 23.9Dark blue · ΔE 26.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C8DB48
Analogous#487EDB, #A548DB
Triadic#DB5B48, #48DB5B
Split complementary#DBA448, #7FDB48
Tetradic#DB487E, #C8DB48, #48DBA5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4F2FD
Lighter +30%#CEC8F4
Lighter +20%#A79DEC
Lighter +10%#8173E3
Darker −10%#3C27C9
Darker −20%#2F1F9E
Darker −30%#231773
Darker −40%#160E49
More saturated +25%#472DF6
Less saturated −25%#6F63C0

Channel breakdown

R91
G72
B219
Red91 (35.7%)
Green72 (28.2%)
Blue219 (85.9%)
Hue247.76°
Saturation (HSL)67.12%
Lightness57.06%
Dominant channelBlue
Hex per channelR 5B · G 48 · B DB

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Every value on this page was computed from “5b48db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.