Recognised as Colour

#FE2015

#FE2015
Red
Dark
Nearest: Red

#FE2015 is a red with RGB values 254, 32, 21 and HSL 3°, 99%, 54%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FE2015#FE2015

HEX#FE2015

RGBrgb(254, 32, 21)

RGB (0–1)0.9961, 0.1255, 0.0824

RGB percentages99.6%, 12.5%, 8.2%

HSLhsl(2.8, 99.1%, 53.9%)

HSV / HSBhsv(2.8, 91.7%, 99.6%)

CMYK0%, 87.4%, 91.7%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,654,357

CSS custom property--colour: #FE2015;

Brightness & contrast

Relative luminance0.22158WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.43:1

Contrast with white3.87:1WCAG normal text: Fail

Contrast with black5.43:1WCAG normal text: AA

Greyscale equivalent#4E4E4E

Inverted#01DFEA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#71630Bno red cones; affects about 1% of men; ΔE 82.9 from the original

Deuteranopia#A59200no green cones; the most common form, about 1% of men; ΔE 82.6 from the original

Tritanopia#FF0023no blue cones; rare, and affects men and women equally; ΔE 7.2 from the original

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

Contrast with white, large text3.87:1WCAG large text: AA

Contrast with black, large text5.43:1WCAG large text: AAA

Named colours

Red · ΔE 6.2 Orange red · ΔE 11.9 Tomato · ΔE 25.8 Crimson · ΔE 29.9 Firebrick · ΔE 35.5 Coral · ΔE 37

Nearest named CSS colourRed (#FF0000)ΔE 6.22, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15F3FE

Analogous#FE157F, #FE9415

Triadic#15FE20, #2015FE

Split complementary#15FE95, #157EFE

Tetradic#7FFE15, #15F3FE, #9515FE

Tints, shades & saturation

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

Lighter +40%#FFE2E0

Lighter +30%#FFB1AD

Lighter +20%#FE817B

Lighter +10%#FE5048

Darker −10%#DF0B01

Darker −20%#AC0901

Darker −30%#790601

Darker −40%#470400

More saturated +25%#FF1F14

Less saturated −25%#E13B32

Channel breakdown

R254

G32

B21

Red254 (99.6%)

Green32 (12.5%)

Blue21 (8.2%)

Hue2.83°

Saturation (HSL)99.15%

Lightness53.92%

Dominant channelRed

Hex per channelR FE · G 20 · B 15

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe2015 (chemical formula)

Formula
112,527.675 g/mol
2015 atoms

Fe2015 has a molar mass of 112,527.675 g/mol, made up of 2015 atoms across 1 element: 2015 × Fe.

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Molar mass

Molar mass112,527.675 g/mol

Total atoms per molecule2015

Distinct elements1

Mass of one molecule1.868566 × 10^-19 g

Molecules per gram5.3516975 × 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 × 2015)112,527.675 g/mol, 100%

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Elements in this formula

Iron

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