Recognised as Colour

#DB6404

#DB6404
Orange
Dark
Nearest: Chocolate

#DB6404 is a orange with RGB values 219, 100, 4 and HSL 27°, 96%, 44%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#DB6404#DB6404

HEX#DB6404

RGBrgb(219, 100, 4)

RGB (0–1)0.8588, 0.3922, 0.0157

RGB percentages85.9%, 39.2%, 1.6%

HSLhsl(26.8, 96.4%, 43.7%)

HSV / HSBhsv(26.8, 98.2%, 85.9%)

CMYK0%, 54.3%, 98.2%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,377,988

CSS custom property--colour: #DB6404;

Brightness & contrast

Relative luminance0.24183WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.84:1

Contrast with white3.6:1WCAG normal text: Fail

Contrast with black5.84:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#249BFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#877600no red cones; affects about 1% of men; ΔE 48.1 from the original

Deuteranopia#A49100no green cones; the most common form, about 1% of men; ΔE 48.3 from the original

Tritanopia#F14755no blue cones; rare, and affects men and women equally; ΔE 40.3 from the original

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

Contrast with white, large text3.6:1WCAG large text: AA

Contrast with black, large text5.84:1WCAG large text: AAA

Named colours

Chocolate · ΔE 9.3 Dark orange · ΔE 18.4 Coral · ΔE 20.2 Tomato · ΔE 24.1 Orange red · ΔE 25.6 Peru · ΔE 27.4

Nearest named CSS colourChocolate (#D2691E)ΔE 9.34, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#047BDB

Analogous#DB0410, #DBCF04

Triadic#04DB64, #6404DB

Split complementary#04DBD0, #040FDB

Tetradic#10DB04, #047BDB, #D004DB

Tints, shades & saturation

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

Lighter +40%#FED1AD

Lighter +30%#FDB57B

Lighter +20%#FC9949

Lighter +10%#FB7D17

Darker −10%#A94D03

Darker −20%#773602

Darker −30%#451F01

Darker −40%#130900

More saturated +25%#DF6400

Less saturated −25%#BF6720

Channel breakdown

R219

G100

Red219 (85.9%)

Green100 (39.2%)

Blue4 (1.6%)

Hue26.79°

Saturation (HSL)96.41%

Lightness43.73%

Dominant channelRed

Hex per channelR DB · G 64 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Db6404 (chemical formula)

Formula
1,716,272 g/mol
6404 atoms

Db6404 has a molar mass of 1,716,272 g/mol, made up of 6404 atoms across 1 element: 6404 × Db.

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Molar mass

Molar mass1,716,272 g/mol

Total atoms per molecule6404

Distinct elements1

Mass of one molecule2.8499367 × 10^-18 g

Molecules per gram3.5088499 × 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 × 6404)1,716,272 g/mol, 100%

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Elements in this formula

Dubnium

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