Recognised as Colour

#BF1C2F

#BF1C2F
Red
Dark
Nearest: Firebrick

#BF1C2F is a red with RGB values 191, 28, 47 and HSL 353°, 74%, 43%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BF1C2F#BF1C2F

HEX#BF1C2F

RGBrgb(191, 28, 47)

RGB (0–1)0.749, 0.1098, 0.1843

RGB percentages74.9%, 11%, 18.4%

HSLhsl(353, 74.4%, 42.9%)

HSV / HSBhsv(353, 85.3%, 74.9%)

CMYK0%, 85.3%, 75.4%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,524,591

CSS custom property--colour: #BF1C2F;

Brightness & contrast

Relative luminance0.12112WCAG 2.x, 0 is black and 1 is white

Perceived brightness107.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.14:1

Contrast with white6.14:1WCAG normal text: AA

Contrast with black3.42:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#40E3D0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#534C2Eno red cones; affects about 1% of men; ΔE 65.8 from the original

Deuteranopia#7A6E29no green cones; the most common form, about 1% of men; ΔE 66.2 from the original

Tritanopia#D30026no blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text6.14:1WCAG large text: AAA

Contrast with black, large text3.42:1WCAG large text: AA

Named colours

Firebrick · ΔE 7.4 Crimson · ΔE 11 Brown · ΔE 12.7 Dark red · ΔE 18.7 Maroon · ΔE 21.3 Indian red · ΔE 23.4

Nearest named CSS colourFirebrick (#B22222)ΔE 7.42, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1CBFAC

Analogous#BF1C81, #BF5B1C

Triadic#2FBF1C, #1C2FBF

Split complementary#1CBF5B, #1C81BF

Tetradic#81BF1C, #1CBFAC, #5A1CBF

Tints, shades & saturation

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

Lighter +40%#F4B3BB

Lighter +30%#ED8793

Lighter +20%#E75A6B

Lighter +10%#E02E43

Darker −10%#931524

Darker −20%#660F19

Darker −30%#3A080E

Darker −40%#0D0203

More saturated +25%#DA011A

Less saturated −25%#A43744

Channel breakdown

R191

G28

B47

Red191 (74.9%)

Green28 (11%)

Blue47 (18.4%)

Hue353.01°

Saturation (HSL)74.43%

Lightness42.94%

Dominant channelRed

Hex per channelR BF · G 1C · B 2F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BF1C2F (chemical formula)

Formula
72.828 g/mol
5 atoms

BF1C2F has a molar mass of 72.828 g/mol, made up of 5 atoms across 3 elements: 1 × B, 2 × F, 2 × C.

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Molar mass

Molar mass72.828 g/mol

Total atoms per molecule5

Distinct elements3

Mass of one molecule1.2093374 × 10^-22 g

Molecules per gram8.268991 × 10^21

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

B14.8%

F52.2%

C33%

Boron (B)10.81 g/mol, 14.843%

Fluorine (F × 2)37.996 g/mol, 52.172%

Carbon (C × 2)24.022 g/mol, 32.985%

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