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Colour

#7555A4

  • #7555A4
  • Violet
  • Dark
  • Nearest: Dark slateblue

#7555A4 is a violet with RGB values 117, 85, 164 and HSL 264°, 32%, 49%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#7555A4#7555A4
HEX#7555A4
RGBrgb(117, 85, 164)
RGB (0–1)0.4588, 0.3333, 0.6431
RGB percentages45.9%, 33.3%, 64.3%
HSLhsl(264.3, 31.7%, 48.8%)
HSV / HSBhsv(264.3, 48.2%, 64.3%)
CMYK28.7%, 48.2%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,689,636
CSS custom property--colour: #7555A4;

Brightness & contrast

Relative luminance0.12959WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.85:1
Contrast with white5.85:1WCAG normal text: AA
Contrast with black3.59:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#8AAA5B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D64A7no red cones; affects about 1% of men; ΔE 22.4 from the original
Deuteranopia#4564A2no green cones; the most common form, about 1% of men; ΔE 22.4 from the original
Tritanopia#6C6375no blue cones; rare, and affects men and women equally; ΔE 37.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.85:1WCAG large text: AAA
Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 13.2Rebecca purple · ΔE 18.4Medium purple · ΔE 18.4Slate blue · ΔE 20.8Royal blue · ΔE 28Midnight blue · ΔE 29.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.24, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#84A455
Analogous#555DA4, #9C55A4
Triadic#A47555, #55A475
Split complementary#A49C55, #5DA455
Tetradic#A4555D, #84A455, #55A49C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1D9EC
Lighter +30%#C6B8DA
Lighter +20%#AB96C9
Lighter +10%#9075B7
Darker −10%#5D4482
Darker −20%#453261
Darker −30%#2D213F
Darker −40%#150F1E
More saturated +25%#6F36C3
Less saturated −25%#7B7485

Channel breakdown

R117
G85
B164
Red117 (45.9%)
Green85 (33.3%)
Blue164 (64.3%)
Hue264.3°
Saturation (HSL)31.73%
Lightness48.82%
Dominant channelBlue
Hex per channelR 75 · G 55 · B A4

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Every value on this page was computed from “7555a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.