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Recognised as Colour

#9178A1

  • #9178A1
  • Violet
  • Dark
  • Nearest: Light slate grey

#9178A1 is a violet with RGB values 145, 120, 161 and HSL 277°, 18%, 55%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#9178A1#9178A1
HEX#9178A1
RGBrgb(145, 120, 161)
RGB (0–1)0.5686, 0.4706, 0.6314
RGB percentages56.9%, 47.1%, 63.1%
HSLhsl(276.6, 17.9%, 55.1%)
HSV / HSBhsv(276.6, 25.5%, 63.1%)
CMYK9.9%, 25.5%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,533,601
CSS custom property--colour: #9178A1;

Brightness & contrast

Relative luminance0.22026WCAG 2.x, 0 is black and 1 is white
Perceived brightness133 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.41:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.41:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#6E875E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7280A3no red cones; affects about 1% of men; ΔE 14.5 from the original
Deuteranopia#7782A0no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#907D86no blue cones; rare, and affects men and women equally; ΔE 18.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 21.3Slate grey · ΔE 21.3Plum · ΔE 24.7Gray · ΔE 25.5Steel blue · ΔE 25.8Rosy brown · ΔE 26.7
Nearest named CSS colourLight slate grey (#778899)ΔE 21.26, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#88A178
Analogous#7C78A1, #A1789D
Triadic#A19178, #78A191
Split complementary#9DA178, #78A17D
Tetradic#A17D78, #88A178, #789DA1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F0F5
Lighter +30%#DAD2E0
Lighter +20%#C2B4CB
Lighter +10%#A996B6
Darker −10%#785E88
Darker −20%#5D496A
Darker −30%#43354B
Darker −40%#28202D
More saturated +25%#975BBE
Less saturated −25%#8D8D8D

Channel breakdown

R145
G120
B161
Red145 (56.9%)
Green120 (47.1%)
Blue161 (63.1%)
Hue276.59°
Saturation (HSL)17.9%
Lightness55.1%
Dominant channelBlue
Hex per channelR 91 · G 78 · B A1

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Every value on this page was computed from “9178a1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.