Recognised as Colour
#DB1009
- #DB1009
- Red
- Dark
- Nearest: Red
#DB1009 is a red with RGB values 219, 16, 9 and HSL 2°, 92%, 45%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#DB1009#DB1009
HEX#DB1009
RGBrgb(219, 16, 9)
RGB (0–1)0.8588, 0.0627, 0.0353
RGB percentages85.9%, 6.3%, 3.5%
HSLhsl(2, 92.1%, 44.7%)
HSV / HSBhsv(2, 95.9%, 85.9%)
CMYK0%, 92.7%, 95.9%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,356,489
CSS custom property--colour: #DB1009;
Brightness & contrast
Relative luminance0.1545WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.13:1
Contrast with white5.13:1WCAG normal text: AA
Contrast with black4.09:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#24EFF6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.13:1WCAG large text: AAA
Contrast with black, large text4.09:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#09D4DB
Analogous#DB096B, #DB7909
Triadic#09DB10, #1009DB
Split complementary#09DB79, #096BDB
Tetradic#6BDB09, #09D4DB, #7909DB
Tints, shades & saturation
Channel breakdown
R219
G16
B9
Red219 (85.9%)
Green16 (6.3%)
Blue9 (3.5%)
Hue2°
Saturation (HSL)92.11%
Lightness44.71%
Dominant channelRed
Hex per channelR DB · G 10 · B 09
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Also reads as
Db1009 (chemical formula)
- Formula
- 270,412 g/mol
- 1009 atoms
Db1009 has a molar mass of 270,412 g/mol, made up of 1009 atoms across 1 element: 1009 × Db.
Molar mass
Molar mass270,412 g/mol
Total atoms per molecule1009
Distinct elements1
Mass of one molecule4.4902969 × 10^-19 g
Molecules per gram2.2270242 × 10^18
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
Db100%
Dubnium (Db × 1009)270,412 g/mol, 100%
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