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Recognised as Colour

#816CE7

  • #816CE7
  • Blue
  • Dark
  • Nearest: Medium slateblue

#816CE7 is a blue with RGB values 129, 108, 231 and HSL 250°, 72%, 66%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#816CE7#816CE7
HEX#816CE7
RGBrgb(129, 108, 231)
RGB (0–1)0.5059, 0.4235, 0.9059
RGB percentages50.6%, 42.4%, 90.6%
HSLhsl(250.2, 71.9%, 66.5%)
HSV / HSBhsv(250.2, 53.2%, 90.6%)
CMYK44.2%, 53.2%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,482,023
CSS custom property--colour: #816CE7;

Brightness & contrast

Relative luminance0.21162WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.23:1
Contrast with white4.01:1WCAG normal text: Fail
Contrast with black5.23:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#7E9318

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E82EBno red cones; affects about 1% of men; ΔE 25.9 from the original
Deuteranopia#2E7CE4no green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#62869Fno blue cones; rare, and affects men and women equally; ΔE 61.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.01:1WCAG large text: AA
Contrast with black, large text5.23:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 6.4Slate blue · ΔE 8.3Medium purple · ΔE 10Royal blue · ΔE 14Rebecca purple · ΔE 24.4Medium orchid · ΔE 24.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 6.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D2E76C
Analogous#6C94E7, #BF6CE7
Triadic#E7816C, #6CE781
Split complementary#E7BF6C, #94E76C
Tetradic#E76C94, #D2E76C, #6CE7BF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F2F0FC
Lighter +20%#CCC4F5
Lighter +10%#A798EE
Darker −10%#5B40E0
Darker −20%#3E21CC
Darker −30%#311AA0
Darker −40%#241374
More saturated +25%#7357FC
Less saturated −25%#8F81D2

Channel breakdown

R129
G108
B231
Red129 (50.6%)
Green108 (42.4%)
Blue231 (90.6%)
Hue250.24°
Saturation (HSL)71.93%
Lightness66.47%
Dominant channelBlue
Hex per channelR 81 · G 6C · B E7

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Every value on this page was computed from “816ce7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.