Recognised as Colour

#FE425C

#FE425C
Red
Dark
Nearest: Crimson

#FE425C is a red with RGB values 254, 66, 92 and HSL 352°, 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 Crimson.

Colour values

#FE425C#FE425C

HEX#FE425C

RGBrgb(254, 66, 92)

RGB (0–1)0.9961, 0.2588, 0.3608

RGB percentages99.6%, 25.9%, 36.1%

HSLhsl(351.7, 98.9%, 62.7%)

HSV / HSBhsv(351.7, 74%, 99.6%)

CMYK0%, 74%, 63.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,663,132

CSS custom property--colour: #FE425C;

Brightness & contrast

Relative luminance0.2574WCAG 2.x, 0 is black and 1 is white

Perceived brightness151 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.15:1

Contrast with white3.42:1WCAG normal text: Fail

Contrast with black6.15:1WCAG normal text: AA

Greyscale equivalent#6C6C6C

Inverted#01BDA3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#78725Cno red cones; affects about 1% of men; ΔE 75 from the original

Deuteranopia#A79957no green cones; the most common form, about 1% of men; ΔE 75.5 from the original

Tritanopia#FF004Dno blue cones; rare, and affects men and women equally; ΔE 12.1 from the original

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

Contrast with white, large text3.42:1WCAG large text: AA

Contrast with black, large text6.15:1WCAG large text: AAA

Named colours

Crimson · ΔE 11.5 Tomato · ΔE 21.9 Firebrick · ΔE 25.3 Salmon · ΔE 27.4 Indian red · ΔE 27.4 Brown · ΔE 29.4

Nearest named CSS colourCrimson (#DC143C)ΔE 11.54, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#42FEE4

Analogous#FE42BA, #FE8642

Triadic#5CFE42, #425CFE

Split complementary#42FE86, #42BAFE

Tetradic#BAFE42, #42FEE4, #8642FE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDADF

Lighter +20%#FFA7B4

Lighter +10%#FE7588

Darker −10%#FE0F30

Darker −20%#D9011F

Darker −30%#A60118

Darker −40%#730110

More saturated +25%#FF415B

Less saturated −25%#E65A6D

Channel breakdown

R254

G66

B92

Red254 (99.6%)

Green66 (25.9%)

Blue92 (36.1%)

Hue351.7°

Saturation (HSL)98.95%

Lightness62.75%

Dominant channelRed

Hex per channelR FE · G 42 · B 5C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe425C (chemical formula)

Formula
23,746.136 g/mol
426 atoms

Fe425C has a molar mass of 23,746.136 g/mol, made up of 426 atoms across 2 elements: 425 × Fe, 1 × C.

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Molar mass

Molar mass23,746.136 g/mol

Total atoms per molecule426

Distinct elements2

Mass of one molecule3.9431387 × 10^-20 g

Molecules per gram2.5360508 × 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

Fe99.9%

C0.1%

Iron (Fe × 425)23,734.125 g/mol, 99.949%

Carbon (C)12.011 g/mol, 0.051%

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