Recognised as Colour
#BB4BAB
- #BB4BAB
- Magenta
- Dark
- Nearest: Orchid
#BB4BAB is a magenta with RGB values 187, 75, 171 and HSL 309°, 45%, 51%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Orchid.
Colour values
#BB4BAB#BB4BAB
HEX#BB4BAB
RGBrgb(187, 75, 171)
RGB (0–1)0.7333, 0.2941, 0.6706
RGB percentages73.3%, 29.4%, 67.1%
HSLhsl(308.6, 45.2%, 51.4%)
HSV / HSBhsv(308.6, 59.9%, 73.3%)
CMYK0%, 59.9%, 8.6%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,274,603
CSS custom property--colour: #BB4BAB;
Brightness & contrast
Relative luminance0.18537WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.71:1
Contrast with white4.46:1WCAG normal text: Fail
Contrast with black4.71:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#44B454
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.46:1WCAG large text: AA
Contrast with black, large text4.71:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4BBB5B
Analogous#934BBB, #BB4B73
Triadic#ABBB4B, #4BABBB
Split complementary#73BB4B, #4BBB93
Tetradic#BB934B, #4BBB5B, #4B73BB
Tints, shades & saturation
Channel breakdown
R187
G75
B171
Red187 (73.3%)
Green75 (29.4%)
Blue171 (67.1%)
Hue308.57°
Saturation (HSL)45.16%
Lightness51.37%
Dominant channelRed
Hex per channelR BB · G 4B · B AB
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Harmonies
Similar named colours
Also reads as
BB4BaB (chemical formula)
- Formula
- 202.19 g/mol
- 7 atoms
BB4BaB has a molar mass of 202.19 g/mol, made up of 7 atoms across 2 elements: 6 × B, 1 × Ba.
Molar mass
Molar mass202.19 g/mol
Total atoms per molecule7
Distinct elements2
Mass of one molecule3.3574439 × 10^-22 g
Molecules per gram2.9784563 × 10^21
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
B32.1%
Ba67.9%
Boron (B × 6)64.86 g/mol, 32.079%
Barium (Ba)137.33 g/mol, 67.921%
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