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Recognised as Colour

#090B18

  • #090B18
  • Blue
  • Dark
  • Nearest: Black

#090B18 is a blue with RGB values 9, 11, 24 and HSL 232°, 45%, 6%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#090B18#090B18
HEX#090B18
RGBrgb(9, 11, 24)
RGB (0–1)0.0353, 0.0431, 0.0941
RGB percentages3.5%, 4.3%, 9.4%
HSLhsl(232, 45.5%, 6.5%)
HSV / HSBhsv(232, 62.5%, 9.4%)
CMYK62.5%, 54.2%, 0%, 90.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer592,664
CSS custom property--colour: #090B18;

Brightness & contrast

Relative luminance0.00363WCAG 2.x, 0 is black and 1 is white
Perceived brightness12.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.58:1
Contrast with white19.58:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#F6F4E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#070D19no red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#060B18no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#050E10no blue cones; rare, and affects men and women equally; ΔE 7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.58:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 8.4Dark slate grey · ΔE 31.4Dim grey · ΔE 41.8Slate grey · ΔE 49.8Dark slateblue · ΔE 50.3Gray · ΔE 50.9
Nearest named CSS colourBlack (#000000)ΔE 8.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#181609
Analogous#091218, #0E0918
Triadic#18090B, #0B1809
Split complementary#180E09, #121809
Tetradic#180913, #181609, #09180E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#414FAC
Lighter +30%#333E87
Lighter +20%#252D62
Lighter +10%#171C3D
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#05081C
Less saturated −25%#0D0E14

Channel breakdown

R9
G11
B24
Red9 (3.5%)
Green11 (4.3%)
Blue24 (9.4%)
Hue232°
Saturation (HSL)45.45%
Lightness6.47%
Dominant channelBlue
Hex per channelR 09 · G 0B · B 18

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Every value on this page was computed from “090b18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.