Recognised as Colour

#F40061

#F40061
Red
Dark
Nearest: Crimson

#F40061 is a red with RGB values 244, 0, 97 and HSL 336°, 100%, 48%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F40061#F40061

HEX#F40061

RGBrgb(244, 0, 97)

RGB (0–1)0.9569, 0, 0.3804

RGB percentages95.7%, 0%, 38%

HSLhsl(336.1, 100%, 47.8%)

HSV / HSBhsv(336.1, 100%, 95.7%)

CMYK0%, 100%, 60.2%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,990,881

CSS custom property--colour: #F40061;

Brightness & contrast

Relative luminance0.20096WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.02:1

Contrast with white4.18:1WCAG normal text: Fail

Contrast with black5.02:1WCAG normal text: AA

Greyscale equivalent#3B3B3B

Inverted#0BFF9E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5F62no red cones; affects about 1% of men; ΔE 82.8 from the original

Deuteranopia#968B5Bno green cones; the most common form, about 1% of men; ΔE 84 from the original

Tritanopia#FF0039no blue cones; rare, and affects men and women equally; ΔE 26.2 from the original

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

Contrast with white, large text4.18:1WCAG large text: AA

Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Crimson · ΔE 18.4 Deep pink · ΔE 24.8 Firebrick · ΔE 33.5 Indian red · ΔE 35.5 Medium violet red · ΔE 35.5 Hot pink · ΔE 35.8

Nearest named CSS colourCrimson (#DC143C)ΔE 18.44, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F493

Analogous#F400DB, #F41900

Triadic#61F400, #0061F4

Split complementary#00F419, #00DBF4

Tetradic#DBF400, #00F493, #1900F4

Tints, shades & saturation

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

Lighter +40%#FFC1DA

Lighter +30%#FF8EBB

Lighter +20%#FF5B9C

Lighter +10%#FF287D

Darker −10%#C1004D

Darker −20%#8E0038

Darker −30%#5B0024

Darker −40%#280010

More saturated +25%#F40061

Less saturated −25%#D61F67

Channel breakdown

R244

B97

Red244 (95.7%)

Green0 (0%)

Blue97 (38%)

Hue336.15°

Saturation (HSL)100%

Lightness47.84%

Dominant channelRed

Hex per channelR F4 · G 00 · B 61

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F40061 (chemical formula)

Formula
761,078.878 g/mol
40061 atoms

F40061 has a molar mass of 761,078.878 g/mol, made up of 40061 atoms across 1 element: 40061 × F.

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Molar mass

Molar mass761,078.878 g/mol

Total atoms per molecule40061

Distinct elements1

Mass of one molecule1.2638012 × 10^-18 g

Molecules per gram7.9126368 × 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 × 40061)761,078.878 g/mol, 100%

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Elements in this formula

Fluorine

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