Recognised as Colour

#FF5259

#FF5259
Red
Dark
Nearest: Crimson

#FF5259 is a red with RGB values 255, 82, 89 and HSL 358°, 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 Crimson.

Colour values

#FF5259#FF5259

HEX#FF5259

RGBrgb(255, 82, 89)

RGB (0–1)1, 0.3216, 0.349

RGB percentages100%, 32.2%, 34.9%

HSLhsl(357.6, 100%, 66.1%)

HSV / HSBhsv(357.6, 67.8%, 100%)

CMYK0%, 67.8%, 65.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,732,761

CSS custom property--colour: #FF5259;

Brightness & contrast

Relative luminance0.28016WCAG 2.x, 0 is black and 1 is white

Perceived brightness155.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.6:1

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

Contrast with black6.6:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#00ADA6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#817958no red cones; affects about 1% of men; ΔE 70.1 from the original

Deuteranopia#AD9E54no green cones; the most common form, about 1% of men; ΔE 70.5 from the original

Tritanopia#FF2156no blue cones; rare, and affects men and women equally; ΔE 14.7 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 text6.6:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.9 Tomato · ΔE 14.9 Salmon · ΔE 22.1 Firebrick · ΔE 23.2 Indian red · ΔE 24.7 Coral · ΔE 25.5

Nearest named CSS colourCrimson (#DC143C)ΔE 13.95, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#52FFF8

Analogous#FF52AF, #FFA252

Triadic#59FF52, #5259FF

Split complementary#52FFA2, #52AFFF

Tetradic#AFFF52, #52FFF8, #A252FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFEBEC

Lighter +20%#FFB8BB

Lighter +10%#FF858A

Darker −10%#FF1F28

Darker −20%#EB000A

Darker −30%#B80007

Darker −40%#850005

More saturated +25%#FF5259

Less saturated −25%#E9686D

Channel breakdown

R255

G82

B89

Red255 (100%)

Green82 (32.2%)

Blue89 (34.9%)

Hue357.57°

Saturation (HSL)100%

Lightness66.08%

Dominant channelRed

Hex per channelR FF · G 52 · B 59

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF5259 (chemical formula)

Formula
99,929.48 g/mol
5260 atoms

FF5259 has a molar mass of 99,929.48 g/mol, made up of 5260 atoms across 1 element: 5260 × F.

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Molar mass

Molar mass99,929.48 g/mol

Total atoms per molecule5260

Distinct elements1

Mass of one molecule1.6593681 × 10^-19 g

Molecules per gram6.0263906 × 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 × 5260)99,929.48 g/mol, 100%

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Elements in this formula

Fluorine

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