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Recognised as Colour

#5B53CD

  • #5B53CD
  • Blue
  • Dark
  • Nearest: Slate blue

#5B53CD is a blue with RGB values 91, 83, 205 and HSL 244°, 55%, 56%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#5B53CD#5B53CD
HEX#5B53CD
RGBrgb(91, 83, 205)
RGB (0–1)0.3569, 0.3255, 0.8039
RGB percentages35.7%, 32.5%, 80.4%
HSLhsl(243.9, 55%, 56.5%)
HSV / HSBhsv(243.9, 59.5%, 80.4%)
CMYK55.6%, 59.5%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,985,229
CSS custom property--colour: #5B53CD;

Brightness & contrast

Relative luminance0.12818WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.89:1
Contrast with white5.89:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#A4AC32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069D1no red cones; affects about 1% of men; ΔE 22.2 from the original
Deuteranopia#0060CBno green cones; the most common form, about 1% of men; ΔE 18.5 from the original
Tritanopia#217088no blue cones; rare, and affects men and women equally; ΔE 67.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.89:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Slate blue · ΔE 5.6Medium slateblue · ΔE 10.8Royal blue · ΔE 12.6Medium purple · ΔE 17.6Rebecca purple · ΔE 18.9Dark slateblue · ΔE 26
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 5.61, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C5CD53
Analogous#5388CD, #9853CD
Triadic#CD5B53, #53CD5B
Split complementary#CD9853, #88CD53
Tetradic#CD5388, #C5CD53, #53CD98

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F1FB
Lighter +30%#CCCAEF
Lighter +20%#A6A2E4
Lighter +10%#817BD8
Darker −10%#3E35B8
Darker −20%#312A90
Darker −30%#231E69
Darker −40%#161341
More saturated +25%#4337E9
Less saturated −25%#736FB1

Channel breakdown

R91
G83
B205
Red91 (35.7%)
Green83 (32.5%)
Blue205 (80.4%)
Hue243.93°
Saturation (HSL)54.95%
Lightness56.47%
Dominant channelBlue
Hex per channelR 5B · G 53 · B CD

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Every value on this page was computed from “5b53cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.