Recognised as Colour

#FF2450

#FF2450
Red
Dark
Nearest: Crimson

#FF2450 is a red with RGB values 255, 36, 80 and HSL 348°, 100%, 57%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF2450#FF2450

HEX#FF2450

RGBrgb(255, 36, 80)

RGB (0–1)1, 0.1412, 0.3137

RGB percentages100%, 14.1%, 31.4%

HSLhsl(347.9, 100%, 57.1%)

HSV / HSBhsv(347.9, 85.9%, 100%)

CMYK0%, 85.9%, 68.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,720,976

CSS custom property--colour: #FF2450;

Brightness & contrast

Relative luminance0.23101WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.62:1

Contrast with white3.74:1WCAG normal text: Fail

Contrast with black5.62:1WCAG normal text: AA

Greyscale equivalent#565656

Inverted#00DBAF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D6750no red cones; affects about 1% of men; ΔE 82.8 from the original

Deuteranopia#A39449no green cones; the most common form, about 1% of men; ΔE 83 from the original

Tritanopia#FF0039no blue cones; rare, and affects men and women equally; ΔE 11.9 from the original

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

Contrast with white, large text3.74:1WCAG large text: AA

Contrast with black, large text5.62:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.8 Tomato · ΔE 25.1 Firebrick · ΔE 27.6 Brown · ΔE 33.4 Red · ΔE 34.1 Indian red · ΔE 35

Nearest named CSS colourCrimson (#DC143C)ΔE 10.78, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#24FFD3

Analogous#FF24BE, #FF6624

Triadic#50FF24, #2450FF

Split complementary#24FF66, #24BDFF

Tetradic#BEFF24, #24FFD3, #6524FF

Tints, shades & saturation

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

Lighter +40%#FFF0F3

Lighter +30%#FFBDCA

Lighter +20%#FF8AA2

Lighter +10%#FF5779

Darker −10%#F00030

Darker −20%#BD0026

Darker −30%#8A001C

Darker −40%#570011

More saturated +25%#FF2450

Less saturated −25%#E43F60

Channel breakdown

R255

G36

B80

Red255 (100%)

Green36 (14.1%)

Blue80 (31.4%)

Hue347.95°

Saturation (HSL)100%

Lightness57.06%

Dominant channelRed

Hex per channelR FF · G 24 · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF2450 (chemical formula)

Formula
46,564.098 g/mol
2451 atoms

FF2450 has a molar mass of 46,564.098 g/mol, made up of 2451 atoms across 1 element: 2451 × F.

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Molar mass

Molar mass46,564.098 g/mol

Total atoms per molecule2451

Distinct elements1

Mass of one molecule7.7321504 × 10^-20 g

Molecules per gram1.2933013 × 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 × 2451)46,564.098 g/mol, 100%

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Elements in this formula

Fluorine

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