Recognised as Colour

#FF2575

#FF2575
Red
Dark
Nearest: Deep pink

#FF2575 is a red with RGB values 255, 37, 117 and HSL 338°, 100%, 57%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#FF2575#FF2575

HEX#FF2575

RGBrgb(255, 37, 117)

RGB (0–1)1, 0.1451, 0.4588

RGB percentages100%, 14.5%, 45.9%

HSLhsl(338, 100%, 57.3%)

HSV / HSBhsv(338, 85.5%, 100%)

CMYK0%, 85.5%, 54.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,721,269

CSS custom property--colour: #FF2575;

Brightness & contrast

Relative luminance0.23867WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.77:1

Contrast with white3.64:1WCAG normal text: Fail

Contrast with black5.77:1WCAG normal text: AA

Greyscale equivalent#595959

Inverted#00DA8A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#676B76no red cones; affects about 1% of men; ΔE 81.9 from the original

Deuteranopia#9E9570no green cones; the most common form, about 1% of men; ΔE 83.2 from the original

Tritanopia#FF004Cno blue cones; rare, and affects men and women equally; ΔE 21.9 from the original

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

Contrast with white, large text3.64:1WCAG large text: AA

Contrast with black, large text5.77:1WCAG large text: AAA

Named colours

Deep pink · ΔE 18.5 Crimson · ΔE 24.9 Hot pink · ΔE 29.3 Medium violet red · ΔE 30.9 Indian red · ΔE 36.5 Pale violetred · ΔE 36.6

Nearest named CSS colourDeep pink (#FF1493)ΔE 18.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25FFAF

Analogous#FF25E2, #FF4225

Triadic#75FF25, #2575FF

Split complementary#25FF42, #25E2FF

Tetradic#E2FF25, #25FFAF, #4225FF

Tints, shades & saturation

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

Lighter +40%#FFF1F6

Lighter +30%#FFBED6

Lighter +20%#FF8BB6

Lighter +10%#FF5895

Darker −10%#F10058

Darker −20%#BE0046

Darker −30%#8B0033

Darker −40%#580020

More saturated +25%#FF2575

Less saturated −25%#E4407C

Channel breakdown

R255

G37

B117

Red255 (100%)

Green37 (14.5%)

Blue117 (45.9%)

Hue337.98°

Saturation (HSL)100%

Lightness57.25%

Dominant channelRed

Hex per channelR FF · G 25 · B 75

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF2575 (chemical formula)

Formula
48,938.848 g/mol
2576 atoms

FF2575 has a molar mass of 48,938.848 g/mol, made up of 2576 atoms across 1 element: 2576 × F.

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Molar mass

Molar mass48,938.848 g/mol

Total atoms per molecule2576

Distinct elements1

Mass of one molecule8.1264869 × 10^-20 g

Molecules per gram1.230544 × 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

F100%

Fluorine (F × 2576)48,938.848 g/mol, 100%

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Elements in this formula

Fluorine

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