Recognised as Colour

#FF514B

#FF514B
Red
Dark
Nearest: Tomato

#FF514B is a red with RGB values 255, 81, 75 and HSL 2°, 100%, 65%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF514B#FF514B

HEX#FF514B

RGBrgb(255, 81, 75)

RGB (0–1)1, 0.3176, 0.2941

RGB percentages100%, 31.8%, 29.4%

HSLhsl(2, 100%, 64.7%)

HSV / HSBhsv(2, 70.6%, 100%)

CMYK0%, 68.2%, 70.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,732,491

CSS custom property--colour: #FF514B;

Brightness & contrast

Relative luminance0.27653WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.53:1

Contrast with white3.22:1WCAG normal text: Fail

Contrast with black6.53:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#00AEB4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#827849no red cones; affects about 1% of men; ΔE 70.6 from the original

Deuteranopia#AE9D45no green cones; the most common form, about 1% of men; ΔE 70.4 from the original

Tritanopia#FF1751no 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 text3.22:1WCAG large text: AA

Contrast with black, large text6.53:1WCAG large text: AAA

Named colours

Tomato · ΔE 9.4 Crimson · ΔE 15.8 Coral · ΔE 22.2 Firebrick · ΔE 22.8 Salmon · ΔE 24.7 Orange red · ΔE 27.9

Nearest named CSS colourTomato (#FF6347)ΔE 9.37, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4BF9FF

Analogous#FF4B9F, #FFAB4B

Triadic#4BFF51, #514BFF

Split complementary#4BFFAB, #4B9FFF

Tetradic#9FFF4B, #4BF9FF, #AB4BFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE5E4

Lighter +20%#FFB4B1

Lighter +10%#FF827E

Darker −10%#FF2018

Darker −20%#E40800

Darker −30%#B10600

Darker −40%#7E0400

More saturated +25%#FF514B

Less saturated −25%#E96661

Channel breakdown

R255

G81

B75

Red255 (100%)

Green81 (31.8%)

Blue75 (29.4%)

Hue2°

Saturation (HSL)100%

Lightness64.71%

Dominant channelRed

Hex per channelR FF · G 51 · B 4B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF514B (chemical formula)

Formula
9,794.78 g/mol
516 atoms

FF514B has a molar mass of 9,794.78 g/mol, made up of 516 atoms across 2 elements: 515 × F, 1 × B.

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Molar mass

Molar mass9,794.78 g/mol

Total atoms per molecule516

Distinct elements2

Mass of one molecule1.6264615 × 10^-20 g

Molecules per gram6.1483165 × 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

F99.9%

B0.1%

Fluorine (F × 515)9,783.97 g/mol, 99.89%

Boron (B)10.81 g/mol, 0.11%

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Elements in this formula

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