Recognised as Colour

#F30763

#F30763
Red
Dark
Nearest: Crimson

#F30763 is a red with RGB values 243, 7, 99 and HSL 337°, 94%, 49%. 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

#F30763#F30763

HEX#F30763

RGBrgb(243, 7, 99)

RGB (0–1)0.9529, 0.0275, 0.3882

RGB percentages95.3%, 2.7%, 38.8%

HSLhsl(336.6, 94.4%, 49%)

HSV / HSBhsv(336.6, 97.1%, 95.3%)

CMYK0%, 97.1%, 59.3%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,927,139

CSS custom property--colour: #F30763;

Brightness & contrast

Relative luminance0.20107WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.1 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#404040

Inverted#0CF89C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E6064no red cones; affects about 1% of men; ΔE 82.6 from the original

Deuteranopia#958B5Dno green cones; the most common form, about 1% of men; ΔE 83.6 from the original

Tritanopia#FF003Bno blue cones; rare, and affects men and women equally; ΔE 26.4 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 19.2 Deep pink · ΔE 23.8 Firebrick · ΔE 33.8 Medium violet red · ΔE 34.2 Hot pink · ΔE 34.5 Indian red · ΔE 35.1

Nearest named CSS colourCrimson (#DC143C)ΔE 19.19, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#07F397

Analogous#F307D9, #F32107

Triadic#63F307, #0763F3

Split complementary#07F321, #07D9F3

Tetradic#D9F307, #07F397, #2107F3

Tints, shades & saturation

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

Lighter +40%#FDC9DD

Lighter +30%#FC97BE

Lighter +20%#FB65A0

Lighter +10%#F93481

Darker −10%#C1064F

Darker −20%#90043B

Darker −30%#5E0326

Darker −40%#2D0112

More saturated +25%#FA0061

Less saturated −25%#D4266A

Channel breakdown

R243

B99

Red243 (95.3%)

Green7 (2.7%)

Blue99 (38.8%)

Hue336.61°

Saturation (HSL)94.4%

Lightness49.02%

Dominant channelRed

Hex per channelR F3 · G 07 · B 63

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F30763 (chemical formula)

Formula
584,435.474 g/mol
30763 atoms

F30763 has a molar mass of 584,435.474 g/mol, made up of 30763 atoms across 1 element: 30763 × F.

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Molar mass

Molar mass584,435.474 g/mol

Total atoms per molecule30763

Distinct elements1

Mass of one molecule9.7047794 × 10^-19 g

Molecules per gram1.0304201 × 10^18

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 × 30763)584,435.474 g/mol, 100%

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Elements in this formula

Fluorine

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