Recognised as Colour

#FE2250

#FE2250
Red
Dark
Nearest: Crimson

#FE2250 is a red with RGB values 254, 34, 80 and HSL 347°, 99%, 56%. 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

#FE2250#FE2250

HEX#FE2250

RGBrgb(254, 34, 80)

RGB (0–1)0.9961, 0.1333, 0.3137

RGB percentages99.6%, 13.3%, 31.4%

HSLhsl(347.5, 99.1%, 56.5%)

HSV / HSBhsv(347.5, 86.6%, 99.6%)

CMYK0%, 86.6%, 68.5%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,654,928

CSS custom property--colour: #FE2250;

Brightness & contrast

Relative luminance0.22794WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.56:1

Contrast with white3.78:1WCAG normal text: Fail

Contrast with black5.56:1WCAG normal text: AA

Greyscale equivalent#545454

Inverted#01DDAF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6650no red cones; affects about 1% of men; ΔE 82.8 from the original

Deuteranopia#A29349no green cones; the most common form, about 1% of men; ΔE 82.9 from the original

Tritanopia#FF0038no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original

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

Contrast with white, large text3.78:1WCAG large text: AA

Contrast with black, large text5.56:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.6 Tomato · ΔE 25.5 Firebrick · ΔE 27.6 Brown · ΔE 33.3 Red · ΔE 34.5 Indian red · ΔE 34.9

Nearest named CSS colourCrimson (#DC143C)ΔE 10.64, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22FED0

Analogous#FE22BE, #FE6222

Triadic#50FE22, #2250FE

Split complementary#22FE62, #22BEFE

Tetradic#BEFE22, #22FED0, #6222FE

Tints, shades & saturation

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

Lighter +40%#FFEDF1

Lighter +30%#FFBAC9

Lighter +20%#FE88A0

Lighter +10%#FE5578

Darker −10%#EC0132

Darker −20%#B90127

Darker −30%#86011D

Darker −40%#540012

More saturated +25%#FF214F

Less saturated −25%#E23E60

Channel breakdown

R254

G34

B80

Red254 (99.6%)

Green34 (13.3%)

Blue80 (31.4%)

Hue347.45°

Saturation (HSL)99.1%

Lightness56.47%

Dominant channelRed

Hex per channelR FE · G 22 · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe2250 (chemical formula)

Formula
125,651.25 g/mol
2250 atoms

Fe2250 has a molar mass of 125,651.25 g/mol, made up of 2250 atoms across 1 element: 2250 × Fe.

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Molar mass

Molar mass125,651.25 g/mol

Total atoms per molecule2250

Distinct elements1

Mass of one molecule2.0864881 × 10^-19 g

Molecules per gram4.7927424 × 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

Fe100%

Iron (Fe × 2250)125,651.25 g/mol, 100%

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Elements in this formula

Iron

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