Recognised as Colour

#DB3704

#DB3704
Red
Dark
Nearest: Orange red

#DB3704 is a red with RGB values 219, 55, 4 and HSL 14°, 96%, 44%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#DB3704#DB3704

HEX#DB3704

RGBrgb(219, 55, 4)

RGB (0–1)0.8588, 0.2157, 0.0157

RGB percentages85.9%, 21.6%, 1.6%

HSLhsl(14.2, 96.4%, 43.7%)

HSV / HSBhsv(14.2, 98.2%, 85.9%)

CMYK0%, 74.9%, 98.2%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,366,468

CSS custom property--colour: #DB3704;

Brightness & contrast

Relative luminance0.17801WCAG 2.x, 0 is black and 1 is white

Perceived brightness127 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.61:1

Contrast with white4.61:1WCAG normal text: AA

Contrast with black4.56:1WCAG normal text: AA

Greyscale equivalent#565656

Inverted#24C8FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B5E00no red cones; affects about 1% of men; ΔE 67.4 from the original

Deuteranopia#938200no green cones; the most common form, about 1% of men; ΔE 66.7 from the original

Tritanopia#F20031no blue cones; rare, and affects men and women equally; ΔE 22.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.61:1WCAG large text: AAA

Contrast with black, large text4.56:1WCAG large text: AAA

Named colours

Orange red · ΔE 13.6 Tomato · ΔE 19.3 Red · ΔE 20.3 Firebrick · ΔE 25.4 Chocolate · ΔE 25.5 Coral · ΔE 27.3

Nearest named CSS colourOrange red (#FF4500)ΔE 13.61, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#04A8DB

Analogous#DB043D, #DBA304

Triadic#04DB37, #3704DB

Split complementary#04DBA2, #043DDB

Tetradic#3DDB04, #04A8DB, #A204DB

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FEC0AD

Lighter +30%#FD9A7B

Lighter +20%#FC7449

Lighter +10%#FB4D17

Darker −10%#A92A03

Darker −20%#771E02

Darker −30%#451101

Darker −40%#130500

More saturated +25%#DF3500

Less saturated −25%#BF4620

Channel breakdown

R219

G55

Red219 (85.9%)

Green55 (21.6%)

Blue4 (1.6%)

Hue14.23°

Saturation (HSL)96.41%

Lightness43.73%

Dominant channelRed

Hex per channelR DB · G 37 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Db3704 (chemical formula)

Formula
992,672 g/mol
3704 atoms

Db3704 has a molar mass of 992,672 g/mol, made up of 3704 atoms across 1 element: 3704 × Db.

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Molar mass

Molar mass992,672 g/mol

Total atoms per molecule3704

Distinct elements1

Mass of one molecule1.6483706 × 10^-18 g

Molecules per gram6.0665968 × 10^17

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 × 3704)992,672 g/mol, 100%

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Elements in this formula

Dubnium

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