Recognised as Colour
#B263BB
- #B263BB
- Magenta
- Dark
- Nearest: Orchid
#B263BB is a magenta with RGB values 178, 99, 187 and HSL 294°, 39%, 56%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Orchid.
Colour values
#B263BB#B263BB
HEX#B263BB
RGBrgb(178, 99, 187)
RGB (0–1)0.698, 0.3882, 0.7333
RGB percentages69.8%, 38.8%, 73.3%
HSLhsl(293.9, 39.3%, 56.1%)
HSV / HSBhsv(293.9, 47.1%, 73.3%)
CMYK4.8%, 47.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,690,939
CSS custom property--colour: #B263BB;
Brightness & contrast
Relative luminance0.21977WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.4:1
Contrast with white3.89:1WCAG normal text: Fail
Contrast with black5.4:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#4D9C44
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.89:1WCAG large text: AA
Contrast with black, large text5.4:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#6CBB63
Analogous#8663BB, #BB6398
Triadic#BBB263, #63BBB2
Split complementary#98BB63, #63BB86
Tetradic#BB8663, #6CBB63, #6398BB
Tints, shades & saturation
Channel breakdown
R178
G99
B187
Red178 (69.8%)
Green99 (38.8%)
Blue187 (73.3%)
Hue293.86°
Saturation (HSL)39.29%
Lightness56.08%
Dominant channelBlue
Hex per channelR B2 · G 63 · B BB
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Harmonies
Similar named colours
Also reads as
B263BB (chemical formula)
- Formula
- 2,864.65 g/mol
- 265 atoms
B263BB has a molar mass of 2,864.65 g/mol, made up of 265 atoms across 1 element: 265 × B.
Molar mass
Molar mass2,864.65 g/mol
Total atoms per molecule265
Distinct elements1
Mass of one molecule4.7568632 × 10^-21 g
Molecules per gram2.1022257 × 10^20
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 × 265)2,864.65 g/mol, 100%
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