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Recognised as Colour

#9999FF

  • #9999FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#9999FF is a blue with RGB values 153, 153, 255 and HSL 240°, 100%, 80%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#9999FF#9999FF
HEX#9999FF
HEX (short)#99F
RGBrgb(153, 153, 255)
RGB (0–1)0.6, 0.6, 1
RGB percentages60%, 60%, 100%
HSLhsl(240, 100%, 80%)
HSV / HSBhsv(240, 40%, 100%)
CMYK40%, 40%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,066,431
CSS custom property--colour: #9999FF;

Brightness & contrast

Relative luminance0.36775WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.35:1
Contrast with white2.51:1WCAG normal text: Fail
Contrast with black8.35:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#666600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#75A7FFno red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#70A0FDno green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#7BADC0no blue cones; rare, and affects men and women equally; ΔE 50.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.51:1WCAG large text: Fail
Contrast with black, large text8.35:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 15.9Medium purple · ΔE 17.4Dodgerblue · ΔE 20.6Royal blue · ΔE 24.2Slate blue · ΔE 25.7Medium slateblue · ΔE 26.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFFF99
Analogous#99CCFF, #CC99FF
Triadic#FF9999, #99FF99
Split complementary#FFCC99, #CCFF99
Tetradic#FF99CC, #FFFF99, #99FFCC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#CCCCFF
Darker −10%#6666FF
Darker −20%#3333FF
Darker −30%#0000FF
Darker −40%#0000CC
More saturated +25%#9999FF
Less saturated −25%#A6A6F2

Channel breakdown

R153
G153
B255
Red153 (60%)
Green153 (60%)
Blue255 (100%)
Hue240°
Saturation (HSL)100%
Lightness80%
Dominant channelBlue
Hex per channelR 99 · G 99 · B FF

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Every value on this page was computed from “9999ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.