Recognised as Colour

#FF3546

#FF3546
Red
Dark
Nearest: Crimson

#FF3546 is a red with RGB values 255, 53, 70 and HSL 355°, 100%, 60%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF3546#FF3546

HEX#FF3546

RGBrgb(255, 53, 70)

RGB (0–1)1, 0.2078, 0.2745

RGB percentages100%, 20.8%, 27.5%

HSLhsl(355, 100%, 60.4%)

HSV / HSBhsv(355, 79.2%, 100%)

CMYK0%, 79.2%, 72.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,725,318

CSS custom property--colour: #FF3546;

Brightness & contrast

Relative luminance0.24248WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.85:1

Contrast with white3.59:1WCAG normal text: Fail

Contrast with black5.85:1WCAG normal text: AA

Greyscale equivalent#616161

Inverted#00CAB9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#756C45no red cones; affects about 1% of men; ΔE 79.2 from the original

Deuteranopia#A7963Fno green cones; the most common form, about 1% of men; ΔE 78.8 from the original

Tritanopia#FF003Eno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.59:1WCAG large text: AA

Contrast with black, large text5.85:1WCAG large text: AAA

Named colours

Crimson · ΔE 11.9 Tomato · ΔE 18.1 Firebrick · ΔE 25 Red · ΔE 27.7 Orange red · ΔE 29.3 Coral · ΔE 31.4

Nearest named CSS colourCrimson (#DC143C)ΔE 11.86, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#35FFEE

Analogous#FF35AB, #FF8935

Triadic#46FF35, #3546FF

Split complementary#35FF89, #35ABFF

Tetradic#ABFF35, #35FFEE, #8935FF

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FFCED2

Lighter +20%#FF9BA3

Lighter +10%#FF6875

Darker −10%#FF0217

Darker −20%#CE0011

Darker −30%#9B000D

Darker −40%#680009

More saturated +25%#FF3546

Less saturated −25%#E64E5B

Channel breakdown

R255

G53

B70

Red255 (100%)

Green53 (20.8%)

Blue70 (27.5%)

Hue354.95°

Saturation (HSL)100%

Lightness60.39%

Dominant channelRed

Hex per channelR FF · G 35 · B 46

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF3546 (chemical formula)

Formula
67,385.906 g/mol
3547 atoms

FF3546 has a molar mass of 67,385.906 g/mol, made up of 3547 atoms across 1 element: 3547 × F.

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Molar mass

Molar mass67,385.906 g/mol

Total atoms per molecule3547

Distinct elements1

Mass of one molecule1.1189693 × 10^-19 g

Molecules per gram8.9367957 × 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 × 3547)67,385.906 g/mol, 100%

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Elements in this formula

Fluorine

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