Recognised as Colour

#CF3146

#CF3146
Red
Dark
Nearest: Crimson

#CF3146 is a red with RGB values 207, 49, 70 and HSL 352°, 62%, 50%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CF3146#CF3146

HEX#CF3146

RGBrgb(207, 49, 70)

RGB (0–1)0.8118, 0.1922, 0.2745

RGB percentages81.2%, 19.2%, 27.5%

HSLhsl(352, 62.2%, 50.2%)

HSV / HSBhsv(352, 76.3%, 81.2%)

CMYK0%, 76.3%, 66.2%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,578,566

CSS custom property--colour: #CF3146;

Brightness & contrast

Relative luminance0.15904WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.02:1

Contrast with white5.02:1WCAG normal text: AA

Contrast with black4.18:1WCAG normal text: Fail

Greyscale equivalent#545454

Inverted#30CEB9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5A46no red cones; affects about 1% of men; ΔE 65.4 from the original

Deuteranopia#877B41no green cones; the most common form, about 1% of men; ΔE 65.6 from the original

Tritanopia#E3003Ano blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

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

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

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

Named colours

Crimson · ΔE 11.6 Firebrick · ΔE 14.5 Brown · ΔE 15.5 Indian red · ΔE 18.5 Tomato · ΔE 25.2 Dark red · ΔE 26

Nearest named CSS colourCrimson (#DC143C)ΔE 11.61, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31CFBA

Analogous#CF3195, #CF6B31

Triadic#46CF31, #3146CF

Split complementary#31CF6B, #3195CF

Tetradic#95CF31, #31CFBA, #6B31CF

Tints, shades & saturation

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

Lighter +40%#F6D6DB

Lighter +30%#ECADB5

Lighter +20%#E28490

Lighter +10%#D95A6B

Darker −10%#A62738

Darker −20%#7D1D2A

Darker −30%#54131C

Darker −40%#2A0A0E

More saturated +25%#EF112F

Less saturated −25%#AF515D

Channel breakdown

R207

G49

B70

Red207 (81.2%)

Green49 (19.2%)

Blue70 (27.5%)

Hue352.03°

Saturation (HSL)62.2%

Lightness50.2%

Dominant channelRed

Hex per channelR CF · G 31 · B 46

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF3146 (chemical formula)

Formula
59,779.719 g/mol
3147 atoms

CF3146 has a molar mass of 59,779.719 g/mol, made up of 3147 atoms across 2 elements: 1 × C, 3146 × F.

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Molar mass

Molar mass59,779.719 g/mol

Total atoms per molecule3147

Distinct elements2

Mass of one molecule9.9266559 × 10^-20 g

Molecules per gram1.0073886 × 10^19

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

C0%

F100%

Carbon (C)12.011 g/mol, 0.02%

Fluorine (F × 3146)59,767.708 g/mol, 99.98%

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