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Colour

#9180A1

  • #9180A1
  • Violet
  • Dark
  • Nearest: Light slate grey

#9180A1 is a violet with RGB values 145, 128, 161 and HSL 271°, 15%, 57%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#9180A1#9180A1
HEX#9180A1
RGBrgb(145, 128, 161)
RGB (0–1)0.5686, 0.502, 0.6314
RGB percentages56.9%, 50.2%, 63.1%
HSLhsl(270.9, 14.9%, 56.7%)
HSV / HSBhsv(270.9, 20.5%, 63.1%)
CMYK9.9%, 20.5%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,535,649
CSS custom property--colour: #9180A1;

Brightness & contrast

Relative luminance0.24031WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.81:1
Contrast with white3.62:1WCAG normal text: Fail
Contrast with black5.81:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#6E7F5E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B86A2no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#7E87A0no green cones; the most common form, about 1% of men; ΔE 10.7 from the original
Tritanopia#8F848Bno blue cones; rare, and affects men and women equally; ΔE 15 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.62:1WCAG large text: AA
Contrast with black, large text5.81:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 15.8Slate grey · ΔE 16.2Gray · ΔE 20.2Dim grey · ΔE 23.2Rosy brown · ΔE 23.4Dark grey · ΔE 23.9
Nearest named CSS colourLight slate grey (#778899)ΔE 15.79, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#90A180
Analogous#8180A1, #A180A0
Triadic#A19180, #80A191
Split complementary#A1A180, #80A181
Tetradic#A18180, #90A180, #80A0A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F5F8
Lighter +30%#DDD8E2
Lighter +20%#C4BBCC
Lighter +10%#AA9DB7
Darker −10%#786589
Darker −20%#5E506B
Darker −30%#443A4E
Darker −40%#2B2431
More saturated +25%#9264BD
Less saturated −25%#919191

Channel breakdown

R145
G128
B161
Red145 (56.9%)
Green128 (50.2%)
Blue161 (63.1%)
Hue270.91°
Saturation (HSL)14.93%
Lightness56.67%
Dominant channelBlue
Hex per channelR 91 · G 80 · B A1

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Every value on this page was computed from “9180a1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.