Recognised as Colour

#BC4923

#BC4923
Red
Dark
Nearest: Firebrick

#BC4923 is a red with RGB values 188, 73, 35 and HSL 15°, 69%, 44%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BC4923#BC4923

HEX#BC4923

RGBrgb(188, 73, 35)

RGB (0–1)0.7373, 0.2863, 0.1373

RGB percentages73.7%, 28.6%, 13.7%

HSLhsl(14.9, 68.6%, 43.7%)

HSV / HSBhsv(14.9, 81.4%, 73.7%)

CMYK0%, 61.2%, 81.4%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,339,491

CSS custom property--colour: #BC4923;

Brightness & contrast

Relative luminance0.15578WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.1:1

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

Contrast with black4.12:1WCAG normal text: Fail

Greyscale equivalent#5F5F5F

Inverted#43B6DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A5E1Dno red cones; affects about 1% of men; ΔE 48.8 from the original

Deuteranopia#86781Eno green cones; the most common form, about 1% of men; ΔE 49.6 from the original

Tritanopia#CF2C41no blue cones; rare, and affects men and women equally; ΔE 24.2 from the original

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

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

Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.4 Chocolate · ΔE 16.9 Brown · ΔE 17.7 Sienna · ΔE 17.9 Dark red · ΔE 19.8 Saddle brown · ΔE 20.5

Nearest named CSS colourFirebrick (#B22222)ΔE 15.4, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2396BC

Analogous#BC234A, #BC9523

Triadic#23BC49, #4923BC

Split complementary#23BC95, #234ABC

Tetradic#4ABC23, #2396BC, #9623BC

Tints, shades & saturation

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

Lighter +40%#F2C7B9

Lighter +30%#EAA58E

Lighter +20%#E28363

Lighter +10%#DA6038

Darker −10%#91381B

Darker −20%#662813

Darker −30%#3B170B

Darker −40%#100603

More saturated +25%#D83B07

Less saturated −25%#A0573F

Channel breakdown

R188

G73

B35

Red188 (73.7%)

Green73 (28.6%)

Blue35 (13.7%)

Hue14.9°

Saturation (HSL)68.61%

Lightness43.73%

Dominant channelRed

Hex per channelR BC · G 49 · B 23

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BC4923 (chemical formula)

Formula
59,140.963 g/mol
4924 atoms

BC4923 has a molar mass of 59,140.963 g/mol, made up of 4924 atoms across 2 elements: 1 × B, 4923 × C.

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Molar mass

Molar mass59,140.963 g/mol

Total atoms per molecule4924

Distinct elements2

Mass of one molecule9.820588 × 10^-20 g

Molecules per gram1.018269 × 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

B0%

C100%

Boron (B)10.81 g/mol, 0.018%

Carbon (C × 4923)59,130.153 g/mol, 99.982%

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