Recognised as Colour
#F30043
- #F30043
- Red
- Dark
- Nearest: Crimson
#F30043 is a red with RGB values 243, 0, 67 and HSL 343°, 100%, 48%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F30043#F30043
HEX#F30043
RGBrgb(243, 0, 67)
RGB (0–1)0.9529, 0, 0.2627
RGB percentages95.3%, 0%, 26.3%
HSLhsl(343.5, 100%, 47.6%)
HSV / HSBhsv(343.5, 100%, 95.3%)
CMYK0%, 100%, 72.4%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,925,315
CSS custom property--colour: #F30043;
Brightness & contrast
Relative luminance0.1946WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.89:1
Contrast with white4.29:1WCAG normal text: Fail
Contrast with black4.89:1WCAG normal text: AA
Greyscale equivalent#383838
Inverted#0CFFBC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.29:1WCAG large text: AA
Contrast with black, large text4.89:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00F3B0
Analogous#F300BC, #F33700
Triadic#43F300, #0043F3
Split complementary#00F337, #00BCF3
Tetradic#BCF300, #00F3B0, #3700F3
Tints, shades & saturation
Channel breakdown
R243
G0
B67
Red243 (95.3%)
Green0 (0%)
Blue67 (26.3%)
Hue343.46°
Saturation (HSL)100%
Lightness47.65%
Dominant channelRed
Hex per channelR F3 · G 00 · B 43
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Also reads as
F30043 (chemical formula)
- Formula
- 570,756.914 g/mol
- 30043 atoms
F30043 has a molar mass of 570,756.914 g/mol, made up of 30043 atoms across 1 element: 30043 × F.
Molar mass
Molar mass570,756.914 g/mol
Total atoms per molecule30043
Distinct elements1
Mass of one molecule9.4776415 × 10^-19 g
Molecules per gram1.0551148 × 10^18
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
F100%
Fluorine (F × 30043)570,756.914 g/mol, 100%
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