Recognised as Colour

#F65530

#F65530
Red
Dark
Nearest: Tomato

#F65530 is a red with RGB values 246, 85, 48 and HSL 11°, 92%, 58%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F65530#F65530

HEX#F65530

RGBrgb(246, 85, 48)

RGB (0–1)0.9647, 0.3333, 0.1882

RGB percentages96.5%, 33.3%, 18.8%

HSLhsl(11.2, 91.7%, 57.6%)

HSV / HSBhsv(11.2, 80.5%, 96.5%)

CMYK0%, 65.4%, 80.5%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,143,664

CSS custom property--colour: #F65530;

Brightness & contrast

Relative luminance0.26303WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.26:1

Contrast with white3.35:1WCAG normal text: Fail

Contrast with black6.26:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#09AACF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#84762Ano red cones; affects about 1% of men; ΔE 65.4 from the original

Deuteranopia#AC9928no green cones; the most common form, about 1% of men; ΔE 65.3 from the original

Tritanopia#FF234Eno blue cones; rare, and affects men and women equally; ΔE 26.7 from the original

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

Contrast with white, large text3.35:1WCAG large text: AA

Contrast with black, large text6.26:1WCAG large text: AAA

Named colours

Tomato · ΔE 8.3 Orange red · ΔE 17.4 Coral · ΔE 18 Chocolate · ΔE 23.1 Red · ΔE 25 Firebrick · ΔE 25.2

Nearest named CSS colourTomato (#FF6347)ΔE 8.27, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#30D1F6

Analogous#F6306E, #F6B830

Triadic#30F655, #5530F6

Split complementary#30F6B8, #306EF6

Tetradic#6EF630, #30D1F6, #B830F6

Tints, shades & saturation

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

Lighter +40%#FFF6F3

Lighter +30%#FCCDC3

Lighter +20%#FAA592

Lighter +10%#F87D61

Darker −10%#E9340A

Darker −20%#B82908

Darker −30%#871E06

Darker −40%#561304

More saturated +25%#FF4F27

Less saturated −25%#DB664B

Channel breakdown

R246

G85

B48

Red246 (96.5%)

Green85 (33.3%)

Blue48 (18.8%)

Hue11.21°

Saturation (HSL)91.67%

Lightness57.65%

Dominant channelRed

Hex per channelR F6 · G 55 · B 30

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F65530 (chemical formula)

Formula
1,244,938.94 g/mol
65530 atoms

F65530 has a molar mass of 1,244,938.94 g/mol, made up of 65530 atoms across 1 element: 65530 × F.

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Molar mass

Molar mass1,244,938.94 g/mol

Total atoms per molecule65530

Distinct elements1

Mass of one molecule2.0672697 × 10^-18 g

Molecules per gram4.8372981 × 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 × 65530)1,244,938.94 g/mol, 100%

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Elements in this formula

Fluorine

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