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Recognised as Colour

#816EF1

  • #816EF1
  • Blue
  • Dark
  • Nearest: Medium slateblue

#816EF1 is a blue with RGB values 129, 110, 241 and HSL 249°, 82%, 69%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#816EF1#816EF1
HEX#816EF1
RGBrgb(129, 110, 241)
RGB (0–1)0.5059, 0.4314, 0.9451
RGB percentages50.6%, 43.1%, 94.5%
HSLhsl(248.7, 82.4%, 68.8%)
HSV / HSBhsv(248.7, 54.4%, 94.5%)
CMYK46.5%, 54.4%, 0%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,482,545
CSS custom property--colour: #816EF1;

Brightness & contrast

Relative luminance0.2217WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.43:1
Contrast with white3.86:1WCAG normal text: Fail
Contrast with black5.43:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#7E910E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2485F5no red cones; affects about 1% of men; ΔE 26.5 from the original
Deuteranopia#207EEEno green cones; the most common form, about 1% of men; ΔE 25 from the original
Tritanopia#5C8BA5no blue cones; rare, and affects men and women equally; ΔE 66.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.86:1WCAG large text: AA
Contrast with black, large text5.43:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 3Slate blue · ΔE 11.3Medium purple · ΔE 14Royal blue · ΔE 15Medium orchid · ΔE 25.3Rebecca purple · ΔE 27.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 2.96, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEF16E
Analogous#6E9DF1, #C36EF1
Triadic#F1816E, #6EF181
Split complementary#F1C36E, #9CF16E
Tetradic#F16E9C, #DEF16E, #6EF1C3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FAFAFE
Lighter +20%#D2CBFA
Lighter +10%#A99DF5
Darker −10%#593FED
Darker −20%#3416E3
Darker −30%#2911B5
Darker −40%#1F0D86
More saturated +25%#7760FF
Less saturated −25%#8F82DD

Channel breakdown

R129
G110
B241
Red129 (50.6%)
Green110 (43.1%)
Blue241 (94.5%)
Hue248.7°
Saturation (HSL)82.39%
Lightness68.82%
Dominant channelBlue
Hex per channelR 81 · G 6E · B F1

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Every value on this page was computed from “816ef1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.