Recognised as Colour

#FF5350

#FF5350
Red
Dark
Nearest: Tomato

#FF5350 is a red with RGB values 255, 83, 80 and HSL 1°, 100%, 66%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF5350#FF5350

HEX#FF5350

RGBrgb(255, 83, 80)

RGB (0–1)1, 0.3255, 0.3137

RGB percentages100%, 32.5%, 31.4%

HSLhsl(1, 100%, 65.7%)

HSV / HSBhsv(1, 68.6%, 100%)

CMYK0%, 67.5%, 68.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,733,008

CSS custom property--colour: #FF5350;

Brightness & contrast

Relative luminance0.28026WCAG 2.x, 0 is black and 1 is white

Perceived brightness155.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.61:1

Contrast with white3.18:1WCAG normal text: Fail

Contrast with black6.61:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#00ACAF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#83794Eno red cones; affects about 1% of men; ΔE 69.6 from the original

Deuteranopia#AE9E4Bno green cones; the most common form, about 1% of men; ΔE 70 from the original

Tritanopia#FF1F54no blue cones; rare, and affects men and women equally; ΔE 17.3 from the original

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

Contrast with white, large text3.18:1WCAG large text: AA

Contrast with black, large text6.61:1WCAG large text: AAA

Named colours

Tomato · ΔE 10.4 Crimson · ΔE 15.3 Coral · ΔE 22.4 Firebrick · ΔE 22.6 Salmon · ΔE 23 Indian red · ΔE 26.8

Nearest named CSS colourTomato (#FF6347)ΔE 10.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#50FCFF

Analogous#FF50A5, #FFAA50

Triadic#50FF53, #5350FF

Split complementary#50FFAB, #50A4FF

Tetradic#A5FF50, #50FCFF, #AB50FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE9E9

Lighter +20%#FFB7B6

Lighter +10%#FF8583

Darker −10%#FF211D

Darker −20%#E90400

Darker −30%#B60300

Darker −40%#830200

More saturated +25%#FF5350

Less saturated −25%#E96866

Channel breakdown

R255

G83

B80

Red255 (100%)

Green83 (32.5%)

Blue80 (31.4%)

Hue1.03°

Saturation (HSL)100%

Lightness65.69%

Dominant channelRed

Hex per channelR FF · G 53 · B 50

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

FF5350 (chemical formula)

Formula
101,658.298 g/mol
5351 atoms

FF5350 has a molar mass of 101,658.298 g/mol, made up of 5351 atoms across 1 element: 5351 × F.

Open this reading on its own page →

Molar mass

Molar mass101,658.298 g/mol

Total atoms per molecule5351

Distinct elements1

Mass of one molecule1.6880758 × 10^-19 g

Molecules per gram5.9239048 × 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 × 5351)101,658.298 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

Fluorine

Nerdulate something else

Nothing in mind? Surprise me · today’s page