Recognised as Colour
#F20613
- #F20613
- Red
- Dark
- Nearest: Red
#F20613 is a red with RGB values 242, 6, 19 and HSL 357°, 95%, 49%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#F20613#F20613
HEX#F20613
RGBrgb(242, 6, 19)
RGB (0–1)0.949, 0.0235, 0.0745
RGB percentages94.9%, 2.4%, 7.5%
HSLhsl(356.7, 95.2%, 48.6%)
HSV / HSBhsv(356.7, 97.5%, 94.9%)
CMYK0%, 97.5%, 92.1%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,861,267
CSS custom property--colour: #F20613;
Brightness & contrast
Relative luminance0.19055WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.81:1
Contrast with white4.37:1WCAG normal text: Fail
Contrast with black4.81:1WCAG normal text: AA
Greyscale equivalent#393939
Inverted#0DF9EC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.37:1WCAG large text: AA
Contrast with black, large text4.81:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#06F2E5
Analogous#F20689, #F26F06
Triadic#13F206, #0613F2
Split complementary#06F26F, #0689F2
Tetradic#89F206, #06F2E5, #6F06F2
Tints, shades & saturation
Channel breakdown
R242
G6
B19
Red242 (94.9%)
Green6 (2.4%)
Blue19 (7.5%)
Hue356.69°
Saturation (HSL)95.16%
Lightness48.63%
Dominant channelRed
Hex per channelR F2 · G 06 · B 13
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
F20613 (chemical formula)
- Formula
- 391,605.774 g/mol
- 20613 atoms
F20613 has a molar mass of 391,605.774 g/mol, made up of 20613 atoms across 1 element: 20613 × F.
Molar mass
Molar mass391,605.774 g/mol
Total atoms per molecule20613
Distinct elements1
Mass of one molecule6.5027669 × 10^-19 g
Molecules per gram1.5378069 × 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 × 20613)391,605.774 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page