Recognised as Colour
#F12401
- #F12401
- Red
- Dark
- Nearest: Red
#F12401 is a red with RGB values 241, 36, 1 and HSL 9°, 99%, 47%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#F12401#F12401
HEX#F12401
RGBrgb(241, 36, 1)
RGB (0–1)0.9451, 0.1412, 0.0039
RGB percentages94.5%, 14.1%, 0.4%
HSLhsl(8.8, 99.2%, 47.5%)
HSV / HSBhsv(8.8, 99.6%, 94.5%)
CMYK0%, 85.1%, 99.6%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,803,393
CSS custom property--colour: #F12401;
Brightness & contrast
Relative luminance0.19965WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.99:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.99:1WCAG normal text: AA
Greyscale equivalent#4D4D4D
Inverted#0EDBFE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.99:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#01CEF1
Analogous#F10156, #F19C01
Triadic#01F124, #2401F1
Split complementary#01F19C, #0156F1
Tetradic#56F101, #01CEF1, #9C01F1
Tints, shades & saturation
Channel breakdown
R241
G36
B1
Red241 (94.5%)
Green36 (14.1%)
Blue1 (0.4%)
Hue8.75°
Saturation (HSL)99.17%
Lightness47.45%
Dominant channelRed
Hex per channelR F1 · G 24 · B 01
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Also reads as
F12401 (chemical formula)
- Formula
- 235,594.198 g/mol
- 12401 atoms
F12401 has a molar mass of 235,594.198 g/mol, made up of 12401 atoms across 1 element: 12401 × F.
Molar mass
Molar mass235,594.198 g/mol
Total atoms per molecule12401
Distinct elements1
Mass of one molecule3.9121337 × 10^-19 g
Molecules per gram2.5561499 × 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 × 12401)235,594.198 g/mol, 100%
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