Recognised as Colour
#FB3890
- #FB3890
- Red
- Dark
- Nearest: Deep pink
#FB3890 is a red with RGB values 251, 56, 144 and HSL 333°, 96%, 60%. 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
#FB3890#FB3890
HEX#FB3890
RGBrgb(251, 56, 144)
RGB (0–1)0.9843, 0.2196, 0.5647
RGB percentages98.4%, 22%, 56.5%
HSLhsl(332.9, 96.1%, 60.2%)
HSV / HSBhsv(332.9, 77.7%, 98.4%)
CMYK0%, 77.7%, 42.6%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,464,016
CSS custom property--colour: #FB3890;
Brightness & contrast
Relative luminance0.25351WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.8 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#686868
Inverted#04C76F
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 familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#38FBA3
Analogous#FB38F2, #FB4138
Triadic#90FB38, #3890FB
Split complementary#38FB41, #38F2FB
Tetradic#F2FB38, #38FBA3, #4138FB
Tints, shades & saturation
Channel breakdown
R251
G56
B144
Red251 (98.4%)
Green56 (22%)
Blue144 (56.5%)
Hue332.92°
Saturation (HSL)96.06%
Lightness60.2%
Dominant channelRed
Hex per channelR FB · G 38 · B 90
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Harmonies
Similar named colours
Also reads as
FB3890 (chemical formula)
- Formula
- 42,069.898 g/mol
- 3891 atoms
FB3890 has a molar mass of 42,069.898 g/mol, made up of 3891 atoms across 2 elements: 1 × F, 3890 × B.
Molar mass
Molar mass42,069.898 g/mol
Total atoms per molecule3891
Distinct elements2
Mass of one molecule6.9858709 × 10^-20 g
Molecules per gram1.4314607 × 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
F0%
B100%
Fluorine (F)18.998 g/mol, 0.045%
Boron (B × 3890)42,050.9 g/mol, 99.955%
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