Recognised as Colour

#FF1457

#FF1457
Red
Dark
Nearest: Crimson

#FF1457 is a red with RGB values 255, 20, 87 and HSL 343°, 100%, 54%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF1457#FF1457

HEX#FF1457

RGBrgb(255, 20, 87)

RGB (0–1)1, 0.0784, 0.3412

RGB percentages100%, 7.8%, 34.1%

HSLhsl(342.9, 100%, 53.9%)

HSV / HSBhsv(342.9, 92.2%, 100%)

CMYK0%, 92.2%, 65.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,716,887

CSS custom property--colour: #FF1457;

Brightness & contrast

Relative luminance0.22448WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.49:1

Contrast with white3.83:1WCAG normal text: Fail

Contrast with black5.49:1WCAG normal text: AA

Greyscale equivalent#4B4B4B

Inverted#00EBA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#696557no red cones; affects about 1% of men; ΔE 84.8 from the original

Deuteranopia#A09250no green cones; the most common form, about 1% of men; ΔE 85.2 from the original

Tritanopia#FF0037no blue cones; rare, and affects men and women equally; ΔE 17.5 from the original

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

Contrast with white, large text3.83:1WCAG large text: AA

Contrast with black, large text5.49:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.3 Tomato · ΔE 30.1 Firebrick · ΔE 30.6 Deep pink · ΔE 34.2 Brown · ΔE 35.3 Indian red · ΔE 36.3

Nearest named CSS colourCrimson (#DC143C)ΔE 13.34, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#14FFBC

Analogous#FF14CC, #FF4714

Triadic#57FF14, #1457FF

Split complementary#14FF47, #14CCFF

Tetradic#CCFF14, #14FFBC, #4714FF

Tints, shades & saturation

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

Lighter +40%#FFE0E9

Lighter +30%#FFADC4

Lighter +20%#FF7AA0

Lighter +10%#FF477B

Darker −10%#E00040

Darker −20%#AD0031

Darker −30%#7A0023

Darker −40%#470014

More saturated +25%#FF1457

Less saturated −25%#E23164

Channel breakdown

R255

G20

B87

Red255 (100%)

Green20 (7.8%)

Blue87 (34.1%)

Hue342.89°

Saturation (HSL)100%

Lightness53.92%

Dominant channelRed

Hex per channelR FF · G 14 · B 57

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF1457 (chemical formula)

Formula
27,699.084 g/mol
1458 atoms

FF1457 has a molar mass of 27,699.084 g/mol, made up of 1458 atoms across 1 element: 1458 × F.

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Molar mass

Molar mass27,699.084 g/mol

Total atoms per molecule1458

Distinct elements1

Mass of one molecule4.5995411 × 10^-20 g

Molecules per gram2.1741299 × 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

F100%

Fluorine (F × 1458)27,699.084 g/mol, 100%

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Elements in this formula

Fluorine

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