Recognised as Colour

#FE234F

#FE234F
Red
Dark
Nearest: Crimson

#FE234F is a red with RGB values 254, 35, 79 and HSL 348°, 99%, 57%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FE234F#FE234F

HEX#FE234F

RGBrgb(254, 35, 79)

RGB (0–1)0.9961, 0.1373, 0.3098

RGB percentages99.6%, 13.7%, 31%

HSLhsl(347.9, 99.1%, 56.7%)

HSV / HSBhsv(347.9, 86.2%, 99.6%)

CMYK0%, 86.2%, 68.9%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,655,183

CSS custom property--colour: #FE234F;

Brightness & contrast

Relative luminance0.22837WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.57:1

Contrast with white3.77:1WCAG normal text: Fail

Contrast with black5.57:1WCAG normal text: AA

Greyscale equivalent#555555

Inverted#01DCB0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D674Fno red cones; affects about 1% of men; ΔE 82.7 from the original

Deuteranopia#A29348no green cones; the most common form, about 1% of men; ΔE 82.8 from the original

Tritanopia#FF0038no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original

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

Contrast with white, large text3.77:1WCAG large text: AA

Contrast with black, large text5.57:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.5 Tomato · ΔE 25 Firebrick · ΔE 27.4 Brown · ΔE 33.2 Red · ΔE 33.9 Indian red · ΔE 34.9

Nearest named CSS colourCrimson (#DC143C)ΔE 10.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#23FED2

Analogous#FE23BD, #FE6523

Triadic#4FFE23, #234FFE

Split complementary#23FE65, #23BCFE

Tetradic#BDFE23, #23FED2, #6423FE

Tints, shades & saturation

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

Lighter +40%#FFEEF1

Lighter +30%#FFBBC9

Lighter +20%#FE89A0

Lighter +10%#FE5678

Darker −10%#ED0130

Darker −20%#BA0126

Darker −30%#87011C

Darker −40%#550011

More saturated +25%#FF224E

Less saturated −25%#E23F60

Channel breakdown

R254

G35

B79

Red254 (99.6%)

Green35 (13.7%)

Blue79 (31%)

Hue347.95°

Saturation (HSL)99.1%

Lightness56.67%

Dominant channelRed

Hex per channelR FE · G 23 · B 4F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Fe234F (chemical formula)

Formula
13,086.728 g/mol
235 atoms

Fe234F has a molar mass of 13,086.728 g/mol, made up of 235 atoms across 2 elements: 234 × Fe, 1 × F.

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Molar mass

Molar mass13,086.728 g/mol

Total atoms per molecule235

Distinct elements2

Mass of one molecule2.1731023 × 10^-20 g

Molecules per gram4.6017162 × 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%

F0.1%

Iron (Fe × 234)13,067.73 g/mol, 99.855%

Fluorine (F)18.998 g/mol, 0.145%

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Elements in this formula

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