Recognised as Colour
#B27CA9
- #B27CA9
- Magenta
- Dark
- Nearest: Plum
#B27CA9 is a magenta with RGB values 178, 124, 169 and HSL 310°, 26%, 59%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Plum.
Colour values
#B27CA9#B27CA9
HEX#B27CA9
RGBrgb(178, 124, 169)
RGB (0–1)0.698, 0.4863, 0.6627
RGB percentages69.8%, 48.6%, 66.3%
HSLhsl(310, 26%, 59.2%)
HSV / HSBhsv(310, 30.3%, 69.8%)
CMYK0%, 30.3%, 5.1%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,697,321
CSS custom property--colour: #B27CA9;
Brightness & contrast
Relative luminance0.26745WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.35:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.35:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#4D8356
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.35:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7CB285
Analogous#A07CB2, #B27C8E
Triadic#A9B27C, #7CA9B2
Split complementary#8EB27C, #7CB2A0
Tetradic#B2A07C, #7CB285, #7C8EB2
Tints, shades & saturation
Channel breakdown
R178
G124
B169
Red178 (69.8%)
Green124 (48.6%)
Blue169 (66.3%)
Hue310°
Saturation (HSL)25.96%
Lightness59.22%
Dominant channelRed
Hex per channelR B2 · G 7C · B A9
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Harmonies
Similar named colours
Also reads as
B27Ca9 (chemical formula)
- Formula
- 652.572 g/mol
- 36 atoms
B27Ca9 has a molar mass of 652.572 g/mol, made up of 36 atoms across 2 elements: 27 × B, 9 × Ca.
Molar mass
Molar mass652.572 g/mol
Total atoms per molecule36
Distinct elements2
Mass of one molecule1.0836213 × 10^-21 g
Molecules per gram9.2283162 × 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
B44.7%
Ca55.3%
Boron (B × 27)291.87 g/mol, 44.726%
Calcium (Ca × 9)360.702 g/mol, 55.274%
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