Recognised as Colour

#BB2258

#BB2258
Red
Dark
Nearest: Indian red

#BB2258 is a red with RGB values 187, 34, 88 and HSL 339°, 69%, 43%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#BB2258#BB2258

HEX#BB2258

RGBrgb(187, 34, 88)

RGB (0–1)0.7333, 0.1333, 0.3451

RGB percentages73.3%, 13.3%, 34.5%

HSLhsl(338.8, 69.2%, 43.3%)

HSV / HSBhsv(338.8, 81.8%, 73.3%)

CMYK0%, 81.8%, 52.9%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,264,024

CSS custom property--colour: #BB2258;

Brightness & contrast

Relative luminance0.12413WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.03:1

Contrast with white6.03:1WCAG normal text: AA

Contrast with black3.48:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#44DDA7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C4F59no red cones; affects about 1% of men; ΔE 62.5 from the original

Deuteranopia#746E54no green cones; the most common form, about 1% of men; ΔE 64.1 from the original

Tritanopia#CC003Bno blue cones; rare, and affects men and women equally; ΔE 21.7 from the original

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

Contrast with white, large text6.03:1WCAG large text: AAA

Contrast with black, large text3.48:1WCAG large text: AA

Named colours

Indian red · ΔE 24.4 Brown · ΔE 25.5 Medium violet red · ΔE 25.5 Pale violetred · ΔE 25.7 Crimson · ΔE 27.6 Firebrick · ΔE 30

Nearest named CSS colourIndian red (#CD5C5C)ΔE 24.45, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22BB85

Analogous#BB22A5, #BB3822

Triadic#58BB22, #2258BB

Split complementary#22BB38, #22A5BB

Tetradic#A5BB22, #22BB85, #3822BB

Tints, shades & saturation

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

Lighter +40%#F2B7CC

Lighter +30%#EA8CAD

Lighter +20%#E2618E

Lighter +10%#DA3670

Darker −10%#901A44

Darker −20%#65122F

Darker −30%#3A0A1B

Darker −40%#0E0307

More saturated +25%#D70650

Less saturated −25%#9F3E60

Channel breakdown

R187

G34

B88

Red187 (73.3%)

Green34 (13.3%)

Blue88 (34.5%)

Hue338.82°

Saturation (HSL)69.23%

Lightness43.33%

Dominant channelRed

Hex per channelR BB · G 22 · B 58

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB2258 (chemical formula)

Formula
24,419.79 g/mol
2259 atoms

BB2258 has a molar mass of 24,419.79 g/mol, made up of 2259 atoms across 1 element: 2259 × B.

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Molar mass

Molar mass24,419.79 g/mol

Total atoms per molecule2259

Distinct elements1

Mass of one molecule4.0550015 × 10^-20 g

Molecules per gram2.4660903 × 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

B100%

Boron (B × 2259)24,419.79 g/mol, 100%

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Elements in this formula

Boron

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