Recognised as Colour

#FE4345

#FE4345
Red
Dark
Nearest: Tomato

#FE4345 is a red with RGB values 254, 67, 69 and HSL 359°, 99%, 63%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FE4345#FE4345

HEX#FE4345

RGBrgb(254, 67, 69)

RGB (0–1)0.9961, 0.2627, 0.2706

RGB percentages99.6%, 26.3%, 27.1%

HSLhsl(359.4, 98.9%, 62.9%)

HSV / HSBhsv(359.4, 73.6%, 99.6%)

CMYK0%, 73.6%, 72.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,663,365

CSS custom property--colour: #FE4345;

Brightness & contrast

Relative luminance0.25515WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.1:1

Contrast with white3.44:1WCAG normal text: Fail

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

Greyscale equivalent#6B6B6B

Inverted#01BCBA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7B7043no red cones; affects about 1% of men; ΔE 74.5 from the original

Deuteranopia#A9993Eno green cones; the most common form, about 1% of men; ΔE 75.3 from the original

Tritanopia#FF0046no blue cones; rare, and affects men and women equally; ΔE 13.4 from the original

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

Contrast with white, large text3.44:1WCAG large text: AA

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

Named colours

Tomato · ΔE 13.2 Crimson · ΔE 13.7 Firebrick · ΔE 23.4 Coral · ΔE 26.6 Orange red · ΔE 26.8 Red · ΔE 27.4

Nearest named CSS colourTomato (#FF6347)ΔE 13.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#43FEFC

Analogous#FE43A3, #FE9F43

Triadic#45FE43, #4345FE

Split complementary#43FE9F, #43A2FE

Tetradic#A2FE43, #43FEFC, #9F43FE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDBDC

Lighter +20%#FFA8A9

Lighter +10%#FE7677

Darker −10%#FE1013

Darker −20%#DA0103

Darker −30%#A70103

Darker −40%#740102

More saturated +25%#FF4244

Less saturated −25%#E65B5C

Channel breakdown

R254

G67

B69

Red254 (99.6%)

Green67 (26.3%)

Blue69 (27.1%)

Hue359.36°

Saturation (HSL)98.94%

Lightness62.94%

Dominant channelRed

Hex per channelR FE · G 43 · B 45

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe4345 (chemical formula)

Formula
242,646.525 g/mol
4345 atoms

Fe4345 has a molar mass of 242,646.525 g/mol, made up of 4345 atoms across 1 element: 4345 × Fe.

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Molar mass

Molar mass242,646.525 g/mol

Total atoms per molecule4345

Distinct elements1

Mass of one molecule4.0292403 × 10^-19 g

Molecules per gram2.4818574 × 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 × 4345)242,646.525 g/mol, 100%

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Elements in this formula

Iron

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