Recognised as Colour
#F574B1
- #F574B1
- Red
- Dark
- Nearest: Hot pink
#F574B1 is a red with RGB values 245, 116, 177 and HSL 332°, 87%, 71%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Hot pink.
Colour values
#F574B1#F574B1
HEX#F574B1
RGBrgb(245, 116, 177)
RGB (0–1)0.9608, 0.4549, 0.6941
RGB percentages96.1%, 45.5%, 69.4%
HSLhsl(331.6, 86.6%, 70.8%)
HSV / HSBhsv(331.6, 52.7%, 96.1%)
CMYK0%, 52.7%, 27.8%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,086,193
CSS custom property--colour: #F574B1;
Brightness & contrast
Relative luminance0.35078WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.02:1
Contrast with white2.62:1WCAG normal text: Fail
Contrast with black8.02:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#0A8B4E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.62:1WCAG large text: Fail
Contrast with black, large text8.02:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#74F5B8
Analogous#F574F2, #F57774
Triadic#B1F574, #74B1F5
Split complementary#74F577, #74F2F5
Tetradic#F2F574, #74F5B8, #7774F5
Tints, shades & saturation
Channel breakdown
R245
G116
B177
Red245 (96.1%)
Green116 (45.5%)
Blue177 (69.4%)
Hue331.63°
Saturation (HSL)86.58%
Lightness70.78%
Dominant channelRed
Hex per channelR F5 · G 74 · B B1
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Harmonies
Similar named colours
Also reads as
F574B1 (chemical formula)
- Formula
- 10,915.662 g/mol
- 575 atoms
F574B1 has a molar mass of 10,915.662 g/mol, made up of 575 atoms across 2 elements: 574 × F, 1 × B.
Molar mass
Molar mass10,915.662 g/mol
Total atoms per molecule575
Distinct elements2
Mass of one molecule1.8125883 × 10^-20 g
Molecules per gram5.5169725 × 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
F99.9%
B0.1%
Fluorine (F × 574)10,904.852 g/mol, 99.901%
Boron (B)10.81 g/mol, 0.099%
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