Recognised as Colour
#F5494B
- #F5494B
- Red
- Dark
- Nearest: Crimson
#F5494B is a red with RGB values 245, 73, 75 and HSL 359°, 90%, 62%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F5494B#F5494B
HEX#F5494B
RGBrgb(245, 73, 75)
RGB (0–1)0.9608, 0.2863, 0.2941
RGB percentages96.1%, 28.6%, 29.4%
HSLhsl(359.3, 89.6%, 62.4%)
HSV / HSBhsv(359.3, 70.2%, 96.1%)
CMYK0%, 70.2%, 69.4%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,075,083
CSS custom property--colour: #F5494B;
Brightness & contrast
Relative luminance0.24686WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.94:1
Contrast with white3.54:1WCAG normal text: Fail
Contrast with black5.94:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#0AB6B4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.54:1WCAG large text: AA
Contrast with black, large text5.94:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#49F5F3
Analogous#F549A1, #F59D49
Triadic#4BF549, #494BF5
Split complementary#49F59D, #49A1F5
Tetradic#A1F549, #49F5F3, #9D49F5
Tints, shades & saturation
Channel breakdown
R245
G73
B75
Red245 (96.1%)
Green73 (28.6%)
Blue75 (29.4%)
Hue359.3°
Saturation (HSL)89.58%
Lightness62.35%
Dominant channelRed
Hex per channelR F5 · G 49 · B 4B
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Also reads as
F5494B (chemical formula)
- Formula
- 104,385.822 g/mol
- 5495 atoms
F5494B has a molar mass of 104,385.822 g/mol, made up of 5495 atoms across 2 elements: 5494 × F, 1 × B.
Molar mass
Molar mass104,385.822 g/mol
Total atoms per molecule5495
Distinct elements2
Mass of one molecule1.7333674 × 10^-19 g
Molecules per gram5.7691175 × 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%
B0%
Fluorine (F × 5494)104,375.012 g/mol, 99.99%
Boron (B)10.81 g/mol, 0.01%
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