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Recognised as Colour

#7D478B

  • #7D478B
  • Violet
  • Dark
  • Nearest: Dark slateblue

#7D478B is a violet with RGB values 125, 71, 139 and HSL 288°, 32%, 41%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#7D478B#7D478B
HEX#7D478B
RGBrgb(125, 71, 139)
RGB (0–1)0.4902, 0.2784, 0.5451
RGB percentages49%, 27.8%, 54.5%
HSLhsl(287.6, 32.4%, 41.2%)
HSV / HSBhsv(287.6, 48.9%, 54.5%)
CMYK10.1%, 48.9%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,210,315
CSS custom property--colour: #7D478B;

Brightness & contrast

Relative luminance0.10731WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.67:1
Contrast with white6.67:1WCAG normal text: AA
Contrast with black3.15:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#82B874

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C588Dno red cones; affects about 1% of men; ΔE 28.8 from the original
Deuteranopia#4B5E89no green cones; the most common form, about 1% of men; ΔE 30 from the original
Tritanopia#7D5062no blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.67:1WCAG large text: AAA
Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.1Rebecca purple · ΔE 21.2Medium purple · ΔE 26.8Purple · ΔE 27.1Slate blue · ΔE 29.9Dark magenta · ΔE 30.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.14, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#558B47
Analogous#5B478B, #8B4777
Triadic#8B7D47, #478B7D
Split complementary#778B47, #478B5B
Tetradic#8B5B47, #558B47, #47778B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8BFDF
Lighter +30%#C39ECD
Lighter +20%#AF7CBC
Lighter +10%#9A5AAB
Darker −10%#5F3669
Darker −20%#402547
Darker −30%#221326
Darker −40%#040204
More saturated +25%#8C2DA5
Less saturated −25%#6E6171

Channel breakdown

R125
G71
B139
Red125 (49%)
Green71 (27.8%)
Blue139 (54.5%)
Hue287.65°
Saturation (HSL)32.38%
Lightness41.18%
Dominant channelBlue
Hex per channelR 7D · G 47 · B 8B

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Every value on this page was computed from “7d478b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.