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Recognised as Colour

#816CFD

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

#816CFD is a blue with RGB values 129, 108, 253 and HSL 249°, 97%, 71%. 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

#816CFD#816CFD
HEX#816CFD
RGBrgb(129, 108, 253)
RGB (0–1)0.5059, 0.4235, 0.9922
RGB percentages50.6%, 42.4%, 99.2%
HSLhsl(248.7, 97.3%, 70.8%)
HSV / HSBhsv(248.7, 57.3%, 99.2%)
CMYK49%, 57.3%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,482,045
CSS custom property--colour: #816CFD;

Brightness & contrast

Relative luminance0.22484WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.5:1
Contrast with white3.82:1WCAG normal text: Fail
Contrast with black5.5:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#7E9302

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0087FFno red cones; affects about 1% of men; ΔE 30 from the original
Deuteranopia#007EFAno green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#548DAAno blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.82:1WCAG large text: AA
Contrast with black, large text5.5:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 6Slate blue · ΔE 17.3Royal blue · ΔE 19.8Medium purple · ΔE 21.2Dark orchid · ΔE 25.6Medium orchid · ΔE 26.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 6.02, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E8FD6C
Analogous#6C9FFD, #CA6CFD
Triadic#FD816C, #6CFD81
Split complementary#FDCA6C, #9FFD6C
Tetradic#FD6C9F, #E8FD6C, #6CFDCA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D7D1FE
Lighter +10%#AC9EFE
Darker −10%#563AFC
Darker −20%#2B07FC
Darker −30%#2003CD
Darker −40%#18029B
More saturated +25%#806AFF
Less saturated −25%#8E7FEA

Channel breakdown

R129
G108
B253
Red129 (50.6%)
Green108 (42.4%)
Blue253 (99.2%)
Hue248.69°
Saturation (HSL)97.32%
Lightness70.78%
Dominant channelBlue
Hex per channelR 81 · G 6C · B FD

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