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Recognised as Colour

#817FBF

  • #817FBF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#817FBF is a blue with RGB values 129, 127, 191 and HSL 242°, 33%, 62%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#817FBF#817FBF
HEX#817FBF
RGBrgb(129, 127, 191)
RGB (0–1)0.5059, 0.498, 0.749
RGB percentages50.6%, 49.8%, 74.9%
HSLhsl(241.9, 33.3%, 62.4%)
HSV / HSBhsv(241.9, 33.5%, 74.9%)
CMYK32.5%, 33.5%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,486,847
CSS custom property--colour: #817FBF;

Brightness & contrast

Relative luminance0.23607WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.72:1
Contrast with white3.67:1WCAG normal text: Fail
Contrast with black5.72:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#7E8040

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6C87C2no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#6A84BDno green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#718B96no blue cones; rare, and affects men and women equally; ΔE 33 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.67:1WCAG large text: AA
Contrast with black, large text5.72:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 18.4Steel blue · ΔE 20.1Plum · ΔE 26.8Medium purple · ΔE 27Dark slateblue · ΔE 28.3Light slate grey · ΔE 28.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDBF7F
Analogous#7F9DBF, #A17FBF
Triadic#BF817F, #7FBF81
Split complementary#BFA17F, #9DBF7F
Tetradic#BF7F9D, #BDBF7F, #7FBFA1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E5E5F2
Lighter +20%#C4C3E1
Lighter +10%#A2A1D0
Darker −10%#605DAE
Darker −20%#4A4890
Darker −30%#39376E
Darker −40%#27264C
More saturated +25%#6B67D7
Less saturated −25%#9897A7

Channel breakdown

R129
G127
B191
Red129 (50.6%)
Green127 (49.8%)
Blue191 (74.9%)
Hue241.88°
Saturation (HSL)33.33%
Lightness62.35%
Dominant channelBlue
Hex per channelR 81 · G 7F · B BF

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Every value on this page was computed from “817fbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.