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Recognised as Colour

#090011

  • #090011
  • Violet
  • Dark
  • Nearest: Black

#090011 is a violet with RGB values 9, 0, 17 and HSL 272°, 100%, 3%. It is a dark colour, so white text on it reaches 20.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#090011#090011
HEX#090011
RGBrgb(9, 0, 17)
RGB (0–1)0.0353, 0, 0.0667
RGB percentages3.5%, 0%, 6.7%
HSLhsl(271.8, 100%, 3.3%)
HSV / HSBhsv(271.8, 100%, 6.7%)
CMYK47.1%, 100%, 0%, 93.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer589,841
CSS custom property--colour: #090011;

Brightness & contrast

Relative luminance0.00099WCAG 2.x, 0 is black and 1 is white
Perceived brightness7.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.59:1
Contrast with white20.59:1WCAG normal text: AAA
Contrast with black1.02:1WCAG normal text: Fail
Greyscale equivalent#030303
Inverted#F6FFEE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000312no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#000311no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#080206no blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.59:1WCAG large text: AAA
Contrast with black, large text1.02:1WCAG large text: Fail

Named colours

Black · ΔE 7.9Dark slate grey · ΔE 34.7Dim grey · ΔE 44.2Dark slateblue · ΔE 51.3Slate grey · ΔE 52.6Midnight blue · ΔE 53.2
Nearest named CSS colourBlack (#000000)ΔE 7.93, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#081100
Analogous#000011, #110010
Triadic#110900, #001109
Split complementary#111100, #001100
Tetradic#110000, #081100, #001011

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7500DD
Lighter +30%#5A00AA
Lighter +20%#3F0077
Lighter +10%#240044
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#090011
Less saturated −25%#09020F

Channel breakdown

R9
G0
B17
Red9 (3.5%)
Green0 (0%)
Blue17 (6.7%)
Hue271.76°
Saturation (HSL)100%
Lightness3.33%
Dominant channelBlue
Hex per channelR 09 · G 00 · B 11

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Every value on this page was computed from “hex 090011” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.