Recognised as Colour

#CF2746

#CF2746
Red
Dark
Nearest: Crimson

#CF2746 is a red with RGB values 207, 39, 70 and HSL 349°, 68%, 48%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CF2746#CF2746

HEX#CF2746

RGBrgb(207, 39, 70)

RGB (0–1)0.8118, 0.1529, 0.2745

RGB percentages81.2%, 15.3%, 27.5%

HSLhsl(348.9, 68.3%, 48.2%)

HSV / HSBhsv(348.9, 81.2%, 81.2%)

CMYK0%, 81.2%, 66.2%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,576,006

CSS custom property--colour: #CF2746;

Brightness & contrast

Relative luminance0.15159WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.21:1

Contrast with white5.21:1WCAG normal text: AA

Contrast with black4.03:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#30D8B9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5646no red cones; affects about 1% of men; ΔE 67.7 from the original

Deuteranopia#857941no green cones; the most common form, about 1% of men; ΔE 68.2 from the original

Tritanopia#E30035no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original

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

Contrast with white, large text5.21:1WCAG large text: AAA

Contrast with black, large text4.03:1WCAG large text: AA

Named colours

Crimson · ΔE 10.5 Firebrick · ΔE 16.2 Brown · ΔE 17.6 Indian red · ΔE 21.2 Dark red · ΔE 27.2 Tomato · ΔE 27.3

Nearest named CSS colourCrimson (#DC143C)ΔE 10.49, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27CFB0

Analogous#CF279A, #CF5C27

Triadic#46CF27, #2746CF

Split complementary#27CF5C, #279ACF

Tetradic#9ACF27, #27CFB0, #5C27CF

Tints, shades & saturation

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

Lighter +40%#F5CDD4

Lighter +30%#EDA2B0

Lighter +20%#E5778B

Lighter +10%#DD4C67

Darker −10%#A41F37

Darker −20%#791729

Darker −30%#4E0F1A

Darker −40%#23070C

More saturated +25%#EE0833

Less saturated −25%#B04659

Channel breakdown

R207

G39

B70

Red207 (81.2%)

Green39 (15.3%)

Blue70 (27.5%)

Hue348.93°

Saturation (HSL)68.29%

Lightness48.24%

Dominant channelRed

Hex per channelR CF · G 27 · B 46

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF2746 (chemical formula)

Formula
52,180.519 g/mol
2747 atoms

CF2746 has a molar mass of 52,180.519 g/mol, made up of 2747 atoms across 2 elements: 1 × C, 2746 × F.

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Molar mass

Molar mass52,180.519 g/mol

Total atoms per molecule2747

Distinct elements2

Mass of one molecule8.664779 × 10^-20 g

Molecules per gram1.1540975 × 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, 0.023%

Fluorine (F × 2746)52,168.508 g/mol, 99.977%

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