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Recognised as Colour

#917DD1

  • #917DD1
  • Blue
  • Dark
  • Nearest: Medium purple

#917DD1 is a blue with RGB values 145, 125, 209 and HSL 254°, 48%, 65%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Medium purple.

Colour values

#917DD1#917DD1
HEX#917DD1
RGBrgb(145, 125, 209)
RGB (0–1)0.5686, 0.4902, 0.8196
RGB percentages56.9%, 49%, 82%
HSLhsl(254.3, 47.7%, 65.5%)
HSV / HSBhsv(254.3, 40.2%, 82%)
CMYK30.6%, 40.2%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,534,929
CSS custom property--colour: #917DD1;

Brightness & contrast

Relative luminance0.2529WCAG 2.x, 0 is black and 1 is white
Perceived brightness143 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.06:1
Contrast with white3.47:1WCAG normal text: Fail
Contrast with black6.06:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#6E822E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#648BD4no red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#6788CFno green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#838C9Dno blue cones; rare, and affects men and women equally; ΔE 40 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.47:1WCAG large text: AA
Contrast with black, large text6.06:1WCAG large text: AAA

Named colours

Medium purple · ΔE 14.4Cornflower blue · ΔE 19.5Slate blue · ΔE 23.1Plum · ΔE 25.4Royal blue · ΔE 26.4Dark slateblue · ΔE 26.6
Nearest named CSS colourMedium purple (#9370DB)ΔE 14.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDD17D
Analogous#7D93D1, #BB7DD1
Triadic#D1917D, #7DD191
Split complementary#D1BB7D, #93D17D
Tetradic#D17D93, #BDD17D, #7DD1BB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F1EEF9
Lighter +20%#D1C8EC
Lighter +10%#B1A3DE
Darker −10%#7157C4
Darker −20%#573DAB
Darker −30%#442F86
Darker −40%#312260
More saturated +25%#8567E7
Less saturated −25%#9D93BB

Channel breakdown

R145
G125
B209
Red145 (56.9%)
Green125 (49%)
Blue209 (82%)
Hue254.29°
Saturation (HSL)47.73%
Lightness65.49%
Dominant channelBlue
Hex per channelR 91 · G 7D · B D1

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Every value on this page was computed from “917dd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.