Recognised as Colour

#DB3800

#DB3800
Orange
Dark
Nearest: Orange red

#DB3800 is a orange with RGB values 219, 56, 0 and HSL 15°, 100%, 43%. 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

#DB3800#DB3800

HEX#DB3800

RGBrgb(219, 56, 0)

RGB (0–1)0.8588, 0.2196, 0

RGB percentages85.9%, 22%, 0%

HSLhsl(15.3, 100%, 42.9%)

HSV / HSBhsv(15.3, 100%, 85.9%)

CMYK0%, 74.4%, 100%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,366,720

CSS custom property--colour: #DB3800;

Brightness & contrast

Relative luminance0.17888WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.59:1

Contrast with white4.59:1WCAG normal text: AA

Contrast with black4.58:1WCAG normal text: AA

Greyscale equivalent#575757

Inverted#24C7FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C5E00no red cones; affects about 1% of men; ΔE 66.7 from the original

Deuteranopia#948200no green cones; the most common form, about 1% of men; ΔE 65.9 from the original

Tritanopia#F20031no blue cones; rare, and affects men and women equally; ΔE 23.1 from the original

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

Contrast with white, large text4.59:1WCAG large text: AAA

Contrast with black, large text4.58:1WCAG large text: AAA

Named colours

Orange red · ΔE 13.1 Tomato · ΔE 20 Red · ΔE 20.3 Chocolate · ΔE 25.3 Firebrick · ΔE 26.3 Coral · ΔE 27.6

Nearest named CSS colourOrange red (#FF4500)ΔE 13.05, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A3DB

Analogous#DB0035, #DBA600

Triadic#00DB38, #3800DB

Split complementary#00DBA6, #0035DB

Tetradic#35DB00, #00A3DB, #A600DB

Tints, shades & saturation

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

Lighter +40%#FFBEA8

Lighter +30%#FF9875

Lighter +20%#FF7242

Lighter +10%#FF4C0F

Darker −10%#A82B00

Darker −20%#751E00

Darker −30%#421100

Darker −40%#0F0400

More saturated +25%#DB3800

Less saturated −25%#C0451B

Channel breakdown

R219

G56

Red219 (85.9%)

Green56 (22%)

Blue0 (0%)

Hue15.34°

Saturation (HSL)100%

Lightness42.94%

Dominant channelRed

Hex per channelR DB · G 38 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Db3800 (chemical formula)

Formula
1,018,400 g/mol
3800 atoms

Db3800 has a molar mass of 1,018,400 g/mol, made up of 3800 atoms across 1 element: 3800 × Db.

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Molar mass

Molar mass1,018,400 g/mol

Total atoms per molecule3800

Distinct elements1

Mass of one molecule1.691093 × 10^-18 g

Molecules per gram5.9133354 × 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 × 3800)1,018,400 g/mol, 100%

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Elements in this formula

Dubnium

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