Recognised as Colour

#FE4950

#FE4950
Red
Dark
Nearest: Crimson

#FE4950 is a red with RGB values 254, 73, 80 and HSL 358°, 99%, 64%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FE4950#FE4950

HEX#FE4950

RGBrgb(254, 73, 80)

RGB (0–1)0.9961, 0.2863, 0.3137

RGB percentages99.6%, 28.6%, 31.4%

HSLhsl(357.7, 98.9%, 64.1%)

HSV / HSBhsv(357.7, 71.3%, 99.6%)

CMYK0%, 71.3%, 68.5%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,664,912

CSS custom property--colour: #FE4950;

Brightness & contrast

Relative luminance0.26415WCAG 2.x, 0 is black and 1 is white

Perceived brightness152.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.28:1

Contrast with white3.34:1WCAG normal text: Fail

Contrast with black6.28:1WCAG normal text: AA

Greyscale equivalent#707070

Inverted#01B6AF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D744Fno red cones; affects about 1% of men; ΔE 72.8 from the original

Deuteranopia#AA9B4Ano green cones; the most common form, about 1% of men; ΔE 73.6 from the original

Tritanopia#FF004Dno blue cones; rare, and affects men and women equally; ΔE 14.9 from the original

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

Contrast with white, large text3.34:1WCAG large text: AA

Contrast with black, large text6.28:1WCAG large text: AAA

Named colours

Crimson · ΔE 12.3 Tomato · ΔE 14.3 Firebrick · ΔE 22.8 Salmon · ΔE 25.7 Coral · ΔE 26.5 Indian red · ΔE 28.1

Nearest named CSS colourCrimson (#DC143C)ΔE 12.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#49FEF7

Analogous#FE49AB, #FE9C49

Triadic#50FE49, #4950FE

Split complementary#49FE9C, #49ABFE

Tetradic#ABFE49, #49FEF7, #9C49FE

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE1E2

Lighter +20%#FFAEB2

Lighter +10%#FE7C81

Darker −10%#FE161F

Darker −20%#E0010A

Darker −30%#AD0108

Darker −40%#7A0105

More saturated +25%#FF484F

Less saturated −25%#E76065

Channel breakdown

R254

G73

B80

Red254 (99.6%)

Green73 (28.6%)

Blue80 (31.4%)

Hue357.68°

Saturation (HSL)98.91%

Lightness64.12%

Dominant channelRed

Hex per channelR FE · G 49 · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe4950 (chemical formula)

Formula
276,432.75 g/mol
4950 atoms

Fe4950 has a molar mass of 276,432.75 g/mol, made up of 4950 atoms across 1 element: 4950 × Fe.

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Molar mass

Molar mass276,432.75 g/mol

Total atoms per molecule4950

Distinct elements1

Mass of one molecule4.5902738 × 10^-19 g

Molecules per gram2.1785193 × 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 × 4950)276,432.75 g/mol, 100%

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Elements in this formula

Iron

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