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Recognised as Colour

#816EF9

  • #816EF9
  • Blue
  • Dark
  • Nearest: Medium slateblue

#816EF9 is a blue with RGB values 129, 110, 249 and HSL 248°, 92%, 70%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#816EF9#816EF9
HEX#816EF9
RGBrgb(129, 110, 249)
RGB (0–1)0.5059, 0.4314, 0.9765
RGB percentages50.6%, 43.1%, 97.6%
HSLhsl(248.2, 92.1%, 70.4%)
HSV / HSBhsv(248.2, 55.8%, 97.6%)
CMYK48.2%, 55.8%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,482,553
CSS custom property--colour: #816EF9;

Brightness & contrast

Relative luminance0.22659WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.53:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.53:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#7E9106

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B87FEno red cones; affects about 1% of men; ΔE 27.8 from the original
Deuteranopia#007FF6no green cones; the most common form, about 1% of men; ΔE 26.1 from the original
Tritanopia#578DA9no blue cones; rare, and affects men and women equally; ΔE 70.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 3.4Slate blue · ΔE 14.7Royal blue · ΔE 17.3Medium purple · ΔE 18Medium orchid · ΔE 26.3Dark orchid · ΔE 26.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 3.36, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E6F96E
Analogous#6EA1F9, #C66EF9
Triadic#F9816E, #6EF981
Split complementary#F9C76E, #A0F96E
Tetradic#F96EA1, #E6F96E, #6EF9C6

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D6D0FD
Lighter +10%#AC9FFB
Darker −10%#563DF7
Darker −20%#2C0CF5
Darker −30%#2208C6
Darker −40%#1A0695
More saturated +25%#7D68FF
Less saturated −25%#8F81E6

Channel breakdown

R129
G110
B249
Red129 (50.6%)
Green110 (43.1%)
Blue249 (97.6%)
Hue248.2°
Saturation (HSL)92.05%
Lightness70.39%
Dominant channelBlue
Hex per channelR 81 · G 6E · B F9

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Every value on this page was computed from “816ef9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.