Recognised as Colour

#FE3170

#FE3170
Red
Dark
Nearest: Crimson

#FE3170 is a red with RGB values 254, 49, 112 and HSL 342°, 99%, 59%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FE3170#FE3170

HEX#FE3170

RGBrgb(254, 49, 112)

RGB (0–1)0.9961, 0.1922, 0.4392

RGB percentages99.6%, 19.2%, 43.9%

HSLhsl(341.6, 99%, 59.4%)

HSV / HSBhsv(341.6, 80.7%, 99.6%)

CMYK0%, 80.7%, 55.9%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,658,800

CSS custom property--colour: #FE3170;

Brightness & contrast

Relative luminance0.24437WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.89:1

Contrast with white3.57:1WCAG normal text: Fail

Contrast with black5.89:1WCAG normal text: AA

Greyscale equivalent#616161

Inverted#01CE8F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6D71no red cones; affects about 1% of men; ΔE 79.2 from the original

Deuteranopia#A0966Bno green cones; the most common form, about 1% of men; ΔE 80.5 from the original

Tritanopia#FF004Dno blue cones; rare, and affects men and women equally; ΔE 18.2 from the original

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

Contrast with white, large text3.57:1WCAG large text: AA

Contrast with black, large text5.89:1WCAG large text: AAA

Named colours

Crimson · ΔE 20.9 Deep pink · ΔE 23 Hot pink · ΔE 30.7 Indian red · ΔE 32.7 Medium violet red · ΔE 33.8 Firebrick · ΔE 34.8

Nearest named CSS colourCrimson (#DC143C)ΔE 20.89, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31FEBF

Analogous#FE31D7, #FE5931

Triadic#70FE31, #3170FE

Split complementary#31FE59, #31D7FE

Tetradic#D7FE31, #31FEBF, #5831FE

Tints, shades & saturation

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

Lighter +40%#FFFCFD

Lighter +30%#FFC9DA

Lighter +20%#FE97B6

Lighter +10%#FE6493

Darker −10%#FB014E

Darker −20%#C8013E

Darker −30%#95012E

Darker −40%#63001F

More saturated +25%#FF3070

Less saturated −25%#E44B7A

Channel breakdown

R254

G49

B112

Red254 (99.6%)

Green49 (19.2%)

Blue112 (43.9%)

Hue341.56°

Saturation (HSL)99.03%

Lightness59.41%

Dominant channelRed

Hex per channelR FE · G 31 · B 70

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe3170 (chemical formula)

Formula
177,028.65 g/mol
3170 atoms

Fe3170 has a molar mass of 177,028.65 g/mol, made up of 3170 atoms across 1 element: 3170 × Fe.

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Molar mass

Molar mass177,028.65 g/mol

Total atoms per molecule3170

Distinct elements1

Mass of one molecule2.9396299 × 10^-19 g

Molecules per gram3.4017888 × 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 × 3170)177,028.65 g/mol, 100%

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Elements in this formula

Iron

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