Recognised as Colour
#FE21B2
- #FE21B2
- Magenta
- Dark
- Nearest: Deep pink
#FE21B2 is a magenta with RGB values 254, 33, 178 and HSL 321°, 99%, 56%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Deep pink.
Colour values
#FE21B2#FE21B2
HEX#FE21B2
RGBrgb(254, 33, 178)
RGB (0–1)0.9961, 0.1294, 0.698
RGB percentages99.6%, 12.9%, 69.8%
HSLhsl(320.6, 99.1%, 56.3%)
HSV / HSBhsv(320.6, 87%, 99.6%)
CMYK0%, 87%, 29.9%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,654,770
CSS custom property--colour: #FE21B2;
Brightness & contrast
Relative luminance0.25373WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.07:1
Contrast with white3.46:1WCAG normal text: Fail
Contrast with black6.07:1WCAG normal text: AA
Greyscale equivalent#5A5A5A
Inverted#01DE4D
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.46:1WCAG large text: AA
Contrast with black, large text6.07:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#21FE6D
Analogous#DB21FE, #FE2144
Triadic#B2FE21, #21B2FE
Split complementary#44FE21, #21FEDB
Tetradic#FEDB21, #21FE6D, #2144FE
Tints, shades & saturation
Channel breakdown
R254
G33
B178
Red254 (99.6%)
Green33 (12.9%)
Blue178 (69.8%)
Hue320.63°
Saturation (HSL)99.1%
Lightness56.27%
Dominant channelRed
Hex per channelR FE · G 21 · B B2
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Also reads as
Fe21B2 (chemical formula)
- Formula
- 1,194.365 g/mol
- 23 atoms
Fe21B2 has a molar mass of 1,194.365 g/mol, made up of 23 atoms across 2 elements: 21 × Fe, 2 × B.
Molar mass
Molar mass1,194.365 g/mol
Total atoms per molecule23
Distinct elements2
Mass of one molecule1.9832897 × 10^-21 g
Molecules per gram5.0421276 × 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
Fe98.2%
B1.8%
Iron (Fe × 21)1,172.745 g/mol, 98.19%
Boron (B × 2)21.62 g/mol, 1.81%
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