Recognised as Colour

#BC1010

#BC1010
Red
Dark
Nearest: Firebrick

#BC1010 is a red with RGB values 188, 16, 16 and HSL 0°, 84%, 40%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BC1010#BC1010

HEX#BC1010

RGBrgb(188, 16, 16)

RGB (0–1)0.7373, 0.0627, 0.0627

RGB percentages73.7%, 6.3%, 6.3%

HSLhsl(0, 84.3%, 40%)

HSV / HSBhsv(0, 91.5%, 73.7%)

CMYK0%, 91.5%, 91.5%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,324,880

CSS custom property--colour: #BC1010;

Brightness & contrast

Relative luminance0.11099WCAG 2.x, 0 is black and 1 is white

Perceived brightness103.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.52:1

Contrast with white6.52:1WCAG normal text: AA

Contrast with black3.22:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#43EFEF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#50470Bno red cones; affects about 1% of men; ΔE 67.6 from the original

Deuteranopia#786A00no green cones; the most common form, about 1% of men; ΔE 66.8 from the original

Tritanopia#D00015no blue cones; rare, and affects men and women equally; ΔE 8.2 from the original

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

Contrast with white, large text6.52:1WCAG large text: AAA

Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Firebrick · ΔE 12 Dark red · ΔE 17.4 Crimson · ΔE 18.3 Brown · ΔE 21.4 Maroon · ΔE 22.3 Tomato · ΔE 22.9

Nearest named CSS colourFirebrick (#B22222)ΔE 11.97, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#10BCBC

Analogous#BC1066, #BC6610

Triadic#10BC10, #1010BC

Split complementary#10BC66, #1066BC

Tetradic#66BC10, #10BCBC, #6610BC

Tints, shades & saturation

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

Lighter +40%#F7A1A1

Lighter +30%#F37272

Lighter +20%#EF4343

Lighter +10%#EB1414

Darker −10%#8D0C0C

Darker −20%#5E0808

Darker −30%#2F0404

Darker −40%#000000

More saturated +25%#CC0000

Less saturated −25%#A32A2A

Channel breakdown

R188

G16

B16

Red188 (73.7%)

Green16 (6.3%)

Blue16 (6.3%)

Hue0°

Saturation (HSL)84.31%

Lightness40%

Dominant channelRed

Hex per channelR BC · G 10 · B 10

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BC1010 (chemical formula)

Formula
12,141.92 g/mol
1011 atoms

BC1010 has a molar mass of 12,141.92 g/mol, made up of 1011 atoms across 2 elements: 1 × B, 1010 × C.

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Molar mass

Molar mass12,141.92 g/mol

Total atoms per molecule1011

Distinct elements2

Mass of one molecule2.0162133 × 10^-20 g

Molecules per gram4.9597928 × 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

B0.1%

C99.9%

Boron (B)10.81 g/mol, 0.089%

Carbon (C × 1010)12,131.11 g/mol, 99.911%

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