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Recognised as Colour

#815FCD

  • #815FCD
  • Violet
  • Dark
  • Nearest: Slate blue

#815FCD is a violet with RGB values 129, 95, 205 and HSL 259°, 52%, 59%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#815FCD#815FCD
HEX#815FCD
RGBrgb(129, 95, 205)
RGB (0–1)0.5059, 0.3725, 0.8039
RGB percentages50.6%, 37.3%, 80.4%
HSLhsl(258.5, 52.4%, 58.8%)
HSV / HSBhsv(258.5, 53.7%, 80.4%)
CMYK37.1%, 53.7%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,478,669
CSS custom property--colour: #815FCD;

Brightness & contrast

Relative luminance0.17259WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.72:1
Contrast with white4.72:1WCAG normal text: AA
Contrast with black4.45:1WCAG normal text: Fail
Greyscale equivalent#6E6E6E
Inverted#7EA032

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F74D1no red cones; affects about 1% of men; ΔE 27.2 from the original
Deuteranopia#3872CAno green cones; the most common form, about 1% of men; ΔE 27.4 from the original
Tritanopia#6F758Dno blue cones; rare, and affects men and women equally; ΔE 52.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.72:1WCAG large text: AAA
Contrast with black, large text4.45:1WCAG large text: AA

Named colours

Slate blue · ΔE 6.7Medium purple · ΔE 7Medium slateblue · ΔE 13.7Rebecca purple · ΔE 17.2Royal blue · ΔE 17.6Medium orchid · ΔE 21.9
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 6.66, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ABCD5F
Analogous#5F74CD, #B85FCD
Triadic#CD815F, #5FCD81
Split complementary#CDB85F, #74CD5F
Tetradic#CD5F74, #ABCD5F, #5FCDB8

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFAFE
Lighter +30%#DDD4F1
Lighter +20%#BEADE5
Lighter +10%#A086D9
Darker −10%#643BBE
Darker −20%#4F2F97
Darker −30%#3B2370
Darker −40%#261749
More saturated +25%#7745E7
Less saturated −25%#8B79B3

Channel breakdown

R129
G95
B205
Red129 (50.6%)
Green95 (37.3%)
Blue205 (80.4%)
Hue258.55°
Saturation (HSL)52.38%
Lightness58.82%
Dominant channelBlue
Hex per channelR 81 · G 5F · B CD

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Every value on this page was computed from “815fcd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.