Recognised as Colour

#CF4244

#CF4244
Red
Dark
Nearest: Firebrick

#CF4244 is a red with RGB values 207, 66, 68 and HSL 359°, 59%, 54%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CF4244#CF4244

HEX#CF4244

RGBrgb(207, 66, 68)

RGB (0–1)0.8118, 0.2588, 0.2667

RGB percentages81.2%, 25.9%, 26.7%

HSLhsl(359.1, 59.5%, 53.5%)

HSV / HSBhsv(359.1, 68.1%, 81.2%)

CMYK0%, 68.1%, 67.1%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,582,916

CSS custom property--colour: #CF4244;

Brightness & contrast

Relative luminance0.17579WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.65:1

Contrast with white4.65:1WCAG normal text: AA

Contrast with black4.52:1WCAG normal text: AA

Greyscale equivalent#606060

Inverted#30BDBB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#696143no red cones; affects about 1% of men; ΔE 59.1 from the original

Deuteranopia#8C8040no green cones; the most common form, about 1% of men; ΔE 60.1 from the original

Tritanopia#E31A44no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original

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

Contrast with white, large text4.65:1WCAG large text: AAA

Contrast with black, large text4.52:1WCAG large text: AAA

Named colours

Firebrick · ΔE 12.1 Brown · ΔE 12.8 Indian red · ΔE 14.3 Crimson · ΔE 15.9 Tomato · ΔE 20.7 Salmon · ΔE 21

Nearest named CSS colourFirebrick (#B22222)ΔE 12.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#42CFCD

Analogous#CF428A, #CF8742

Triadic#44CF42, #4244CF

Split complementary#42CF87, #428ACF

Tetradic#8ACF42, #42CFCD, #8742CF

Tints, shades & saturation

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

Lighter +40%#F8E5E5

Lighter +30%#EEBCBD

Lighter +20%#E49394

Lighter +10%#D96B6C

Darker −10%#B12D2F

Darker −20%#882324

Darker −30%#601819

Darker −40%#370E0F

More saturated +25%#ED2427

Less saturated −25%#B16061

Channel breakdown

R207

G66

B68

Red207 (81.2%)

Green66 (25.9%)

Blue68 (26.7%)

Hue359.15°

Saturation (HSL)59.49%

Lightness53.53%

Dominant channelRed

Hex per channelR CF · G 42 · B 44

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF4244 (chemical formula)

Formula
80,639.523 g/mol
4245 atoms

CF4244 has a molar mass of 80,639.523 g/mol, made up of 4245 atoms across 2 elements: 1 × C, 4244 × F.

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Molar mass

Molar mass80,639.523 g/mol

Total atoms per molecule4245

Distinct elements2

Mass of one molecule1.3390508 × 10^-19 g

Molecules per gram7.4679767 × 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

C0%

F100%

Carbon (C)12.011 g/mol, 0.015%

Fluorine (F × 4244)80,627.512 g/mol, 99.985%

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