Recognised as Colour

#F84304

#F84304
Orange
Dark
Nearest: Orange red

#F84304 is a orange with RGB values 248, 67, 4 and HSL 15°, 97%, 49%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F84304#F84304

HEX#F84304

RGBrgb(248, 67, 4)

RGB (0–1)0.9725, 0.2627, 0.0157

RGB percentages97.3%, 26.3%, 1.6%

HSLhsl(15.5, 96.8%, 49.4%)

HSV / HSBhsv(15.5, 98.4%, 97.3%)

CMYK0%, 73%, 98.4%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,270,084

CSS custom property--colour: #F84304;

Brightness & contrast

Relative luminance0.2398WCAG 2.x, 0 is black and 1 is white

Perceived brightness145 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.8:1

Contrast with white3.62:1WCAG normal text: Fail

Contrast with black5.8:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#07BCFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7C6D00no red cones; affects about 1% of men; ΔE 72.8 from the original

Deuteranopia#A89500no green cones; the most common form, about 1% of men; ΔE 72.3 from the original

Tritanopia#FF003Bno blue cones; rare, and affects men and women equally; ΔE 27.6 from the original

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

Contrast with white, large text3.62:1WCAG large text: AA

Contrast with black, large text5.8:1WCAG large text: AAA

Named colours

Orange red · ΔE 3.1 Red · ΔE 14 Tomato · ΔE 22.8 Coral · ΔE 30.6 Chocolate · ΔE 30.9 Dark orange · ΔE 33.6

Nearest named CSS colourOrange red (#FF4500)ΔE 3.09, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04B9F8

Analogous#F8043F, #F8BD04

Triadic#04F843, #4304F8

Split complementary#04F8BD, #043FF8

Tetradic#3FF804, #04B9F8, #BD04F8

Tints, shades & saturation

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

Lighter +40%#FED7CA

Lighter +30%#FDB298

Lighter +20%#FD8C65

Lighter +10%#FC6733

Darker −10%#C63503

Darker −20%#942802

Darker −30%#611A02

Darker −40%#2F0D01

More saturated +25%#FC4100

Less saturated −25%#D85224

Channel breakdown

R248

G67

Red248 (97.3%)

Green67 (26.3%)

Blue4 (1.6%)

Hue15.49°

Saturation (HSL)96.83%

Lightness49.41%

Dominant channelRed

Hex per channelR F8 · G 43 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F84304 (chemical formula)

Formula
1,601,607.392 g/mol
84304 atoms

F84304 has a molar mass of 1,601,607.392 g/mol, made up of 84304 atoms across 1 element: 84304 × F.

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Molar mass

Molar mass1,601,607.392 g/mol

Total atoms per molecule84304

Distinct elements1

Mass of one molecule2.6595316 × 10^-18 g

Molecules per gram3.7600605 × 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

F100%

Fluorine (F × 84304)1,601,607.392 g/mol, 100%

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Elements in this formula

Fluorine

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