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Recognised as Colour

#815CE4

  • #815CE4
  • Violet
  • Dark
  • Nearest: Medium slateblue

#815CE4 is a violet with RGB values 129, 92, 228 and HSL 256°, 72%, 63%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#815CE4#815CE4
HEX#815CE4
RGBrgb(129, 92, 228)
RGB (0–1)0.5059, 0.3608, 0.8941
RGB percentages50.6%, 36.1%, 89.4%
HSLhsl(256.3, 71.6%, 62.7%)
HSV / HSBhsv(256.3, 59.6%, 89.4%)
CMYK43.4%, 59.6%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,477,924
CSS custom property--colour: #815CE4;

Brightness & contrast

Relative luminance0.17923WCAG 2.x, 0 is black and 1 is white
Perceived brightness126 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.58:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.58:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#7EA31B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0078E8no red cones; affects about 1% of men; ΔE 31.5 from the original
Deuteranopia#0073E1no green cones; the most common form, about 1% of men; ΔE 31 from the original
Tritanopia#647B97no blue cones; rare, and affects men and women equally; ΔE 66.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.58:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 6Slate blue · ΔE 12.8Medium purple · ΔE 17.9Royal blue · ΔE 20.1Dark orchid · ΔE 20.2Medium orchid · ΔE 21.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 6.03, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFE45C
Analogous#5C7BE4, #C55CE4
Triadic#E4815C, #5CE481
Split complementary#E4C55C, #7BE45C
Tetradic#E45C7B, #BFE45C, #5CE4C5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6DFFA
Lighter +20%#C5B4F2
Lighter +10%#A388EB
Darker −10%#5F30DD
Darker −20%#491FBB
Darker −30%#38188F
Darker −40%#271064
More saturated +25%#7644FC
Less saturated −25%#8C74CC

Channel breakdown

R129
G92
B228
Red129 (50.6%)
Green92 (36.1%)
Blue228 (89.4%)
Hue256.32°
Saturation (HSL)71.58%
Lightness62.75%
Dominant channelBlue
Hex per channelR 81 · G 5C · B E4

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Every value on this page was computed from “815ce4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.