Recognised as Colour
#FF3660
- #FF3660
- Red
- Dark
- Nearest: Crimson
#FF3660 is a red with RGB values 255, 54, 96 and HSL 347°, 100%, 61%. 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
#FF3660#FF3660
HEX#FF3660
RGBrgb(255, 54, 96)
RGB (0–1)1, 0.2118, 0.3765
RGB percentages100%, 21.2%, 37.6%
HSLhsl(347.5, 100%, 60.6%)
HSV / HSBhsv(347.5, 78.8%, 100%)
CMYK0%, 78.8%, 62.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,725,600
CSS custom property--colour: #FF3660;
Brightness & contrast
Relative luminance0.24743WCAG 2.x, 0 is black and 1 is white
Perceived brightness149 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.95:1
Contrast with white3.53:1WCAG normal text: Fail
Contrast with black5.95:1WCAG normal text: AA
Greyscale equivalent#646464
Inverted#00C99F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.53:1WCAG large text: AA
Contrast with black, large text5.95:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#36FFD5
Analogous#FF36C5, #FF7036
Triadic#60FF36, #3660FF
Split complementary#36FF70, #36C5FF
Tetradic#C5FF36, #36FFD5, #7036FF
Tints, shades & saturation
Channel breakdown
R255
G54
B96
Red255 (100%)
Green54 (21.2%)
Blue96 (37.6%)
Hue347.46°
Saturation (HSL)100%
Lightness60.59%
Dominant channelRed
Hex per channelR FF · G 36 · B 60
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Also reads as
FF3660 (chemical formula)
- Formula
- 69,551.678 g/mol
- 3661 atoms
FF3660 has a molar mass of 69,551.678 g/mol, made up of 3661 atoms across 1 element: 3661 × F.
Molar mass
Molar mass69,551.678 g/mol
Total atoms per molecule3661
Distinct elements1
Mass of one molecule1.1549328 × 10^-19 g
Molecules per gram8.6585125 × 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 × 3661)69,551.678 g/mol, 100%
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