Recognised as Colour

#BC392C

#BC392C
Red
Dark
Nearest: Firebrick

#BC392C is a red with RGB values 188, 57, 44 and HSL 5°, 62%, 45%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BC392C#BC392C

HEX#BC392C

RGBrgb(188, 57, 44)

RGB (0–1)0.7373, 0.2235, 0.1725

RGB percentages73.7%, 22.4%, 17.3%

HSLhsl(5.4, 62.1%, 45.5%)

HSV / HSBhsv(5.4, 76.6%, 73.7%)

CMYK0%, 69.7%, 76.6%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,335,404

CSS custom property--colour: #BC392C;

Brightness & contrast

Relative luminance0.13799WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.59:1

Contrast with white5.59:1WCAG normal text: AA

Contrast with black3.76:1WCAG normal text: Fail

Greyscale equivalent#545454

Inverted#43C6D3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5629no red cones; affects about 1% of men; ΔE 56.1 from the original

Deuteranopia#807227no green cones; the most common form, about 1% of men; ΔE 55.8 from the original

Tritanopia#CF0837no blue cones; rare, and affects men and women equally; ΔE 18 from the original

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

Contrast with white, large text5.59:1WCAG large text: AAA

Contrast with black, large text3.76:1WCAG large text: AA

Named colours

Firebrick · ΔE 6.5 Brown · ΔE 9.8 Dark red · ΔE 16.3 Maroon · ΔE 18.8 Indian red · ΔE 19.4 Crimson · ΔE 20

Nearest named CSS colourFirebrick (#B22222)ΔE 6.46, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2CAFBC

Analogous#BC2C67, #BC812C

Triadic#2CBC39, #392CBC

Split complementary#2CBC81, #2C67BC

Tetradic#67BC2C, #2CAFBC, #812CBC

Tints, shades & saturation

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

Lighter +40%#F1C7C3

Lighter +30%#E7A19A

Lighter +20%#DE7A70

Lighter +10%#D45447

Darker −10%#932C22

Darker −20%#692019

Darker −30%#40130F

Darker −40%#170705

More saturated +25%#D9210F

Less saturated −25%#9F5149

Channel breakdown

R188

G57

B44

Red188 (73.7%)

Green57 (22.4%)

Blue44 (17.3%)

Hue5.42°

Saturation (HSL)62.07%

Lightness45.49%

Dominant channelRed

Hex per channelR BC · G 39 · B 2C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BC392C (chemical formula)

Formula
4,731.133 g/mol
394 atoms

BC392C has a molar mass of 4,731.133 g/mol, made up of 394 atoms across 2 elements: 1 × B, 393 × C.

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Molar mass

Molar mass4,731.133 g/mol

Total atoms per molecule394

Distinct elements2

Mass of one molecule7.8562312 × 10^-21 g

Molecules per gram1.272875 × 10^20

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

B0.2%

C99.8%

Boron (B)10.81 g/mol, 0.228%

Carbon (C × 393)4,720.323 g/mol, 99.772%

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