Recognised as Colour
#FF355C
- #FF355C
- Red
- Dark
- Nearest: Crimson
#FF355C is a red with RGB values 255, 53, 92 and HSL 348°, 100%, 60%. 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
#FF355C#FF355C
HEX#FF355C
RGBrgb(255, 53, 92)
RGB (0–1)1, 0.2078, 0.3608
RGB percentages100%, 20.8%, 36.1%
HSLhsl(348.4, 100%, 60.4%)
HSV / HSBhsv(348.4, 79.2%, 100%)
CMYK0%, 79.2%, 63.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,725,340
CSS custom property--colour: #FF355C;
Brightness & contrast
Relative luminance0.24579WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.92:1
Contrast with white3.55:1WCAG normal text: Fail
Contrast with black5.92:1WCAG normal text: AA
Greyscale equivalent#636363
Inverted#00CAA3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.55:1WCAG large text: AA
Contrast with black, large text5.92:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#35FFD8
Analogous#FF35C1, #FF7335
Triadic#5CFF35, #355CFF
Split complementary#35FF73, #35C1FF
Tetradic#C1FF35, #35FFD8, #7335FF
Tints, shades & saturation
Channel breakdown
R255
G53
B92
Red255 (100%)
Green53 (20.8%)
Blue92 (36.1%)
Hue348.42°
Saturation (HSL)100%
Lightness60.39%
Dominant channelRed
Hex per channelR FF · G 35 · B 5C
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Also reads as
FF355C (chemical formula)
- Formula
- 6,775.299 g/mol
- 357 atoms
FF355C has a molar mass of 6,775.299 g/mol, made up of 357 atoms across 2 elements: 356 × F, 1 × C.
Molar mass
Molar mass6,775.299 g/mol
Total atoms per molecule357
Distinct elements2
Mass of one molecule1.1250649 × 10^-20 g
Molecules per gram8.8883764 × 10^19
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
F99.8%
C0.2%
Fluorine (F × 356)6,763.288 g/mol, 99.823%
Carbon (C)12.011 g/mol, 0.177%
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