Recognised as Colour

#BC4823

#BC4823
Red
Dark
Nearest: Firebrick

#BC4823 is a red with RGB values 188, 72, 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

#BC4823#BC4823

HEX#BC4823

RGBrgb(188, 72, 35)

RGB (0–1)0.7373, 0.2824, 0.1373

RGB percentages73.7%, 28.2%, 13.7%

HSLhsl(14.5, 68.6%, 43.7%)

HSV / HSBhsv(14.5, 81.4%, 73.7%)

CMYK0%, 61.7%, 81.4%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,339,235

CSS custom property--colour: #BC4823;

Brightness & contrast

Relative luminance0.15447WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.14:1

Contrast with white5.14:1WCAG normal text: AA

Contrast with black4.09:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#43B7DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#695D1Dno red cones; affects about 1% of men; ΔE 49.2 from the original

Deuteranopia#86771Eno green cones; the most common form, about 1% of men; ΔE 49.5 from the original

Tritanopia#CF2A41no blue cones; rare, and affects men and women equally; ΔE 24.3 from the original

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

Contrast with white, large text5.14:1WCAG large text: AAA

Contrast with black, large text4.09:1WCAG large text: AA

Named colours

Firebrick · ΔE 14.9 Brown · ΔE 17.3 Chocolate · ΔE 17.4 Sienna · ΔE 18.2 Dark red · ΔE 19.5 Tomato · ΔE 20.6

Nearest named CSS colourFirebrick (#B22222)ΔE 14.89, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2397BC

Analogous#BC234A, #BC9423

Triadic#23BC48, #4823BC

Split complementary#23BC95, #234ABC

Tetradic#4BBC23, #2397BC, #9523BC

Tints, shades & saturation

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

Lighter +40%#F2C7B9

Lighter +30%#EAA48E

Lighter +20%#E28263

Lighter +10%#DA5F38

Darker −10%#91381B

Darker −20%#662713

Darker −30%#3B170B

Darker −40%#100603

More saturated +25%#D83A07

Less saturated −25%#A0563F

Channel breakdown

R188

G72

B35

Red188 (73.7%)

Green72 (28.2%)

Blue35 (13.7%)

Hue14.51°

Saturation (HSL)68.61%

Lightness43.73%

Dominant channelRed

Hex per channelR BC · G 48 · B 23

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BC4823 (chemical formula)

Formula
57,939.863 g/mol
4824 atoms

BC4823 has a molar mass of 57,939.863 g/mol, made up of 4824 atoms across 2 elements: 1 × B, 4823 × C.

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Molar mass

Molar mass57,939.863 g/mol

Total atoms per molecule4824

Distinct elements2

Mass of one molecule9.6211406 × 10^-20 g

Molecules per gram1.0393778 × 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, 0.019%

Carbon (C × 4823)57,929.053 g/mol, 99.981%

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