Recognised as Colour

#FF4C44

#FF4C44
Red
Dark
Nearest: Tomato

#FF4C44 is a red with RGB values 255, 76, 68 and HSL 3°, 100%, 63%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF4C44#FF4C44

HEX#FF4C44

RGBrgb(255, 76, 68)

RGB (0–1)1, 0.298, 0.2667

RGB percentages100%, 29.8%, 26.7%

HSLhsl(2.6, 100%, 63.3%)

HSV / HSBhsv(2.6, 73.3%, 100%)

CMYK0%, 70.2%, 73.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,731,204

CSS custom property--colour: #FF4C44;

Brightness & contrast

Relative luminance0.26846WCAG 2.x, 0 is black and 1 is white

Perceived brightness152.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.37:1

Contrast with white3.3:1WCAG normal text: Fail

Contrast with black6.37:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#00B3BB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#807541no red cones; affects about 1% of men; ΔE 72.2 from the original

Deuteranopia#AD9C3Dno green cones; the most common form, about 1% of men; ΔE 72.4 from the original

Tritanopia#FF004Cno blue cones; rare, and affects men and women equally; ΔE 18.8 from the original

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

Contrast with white, large text3.3:1WCAG large text: AA

Contrast with black, large text6.37:1WCAG large text: AAA

Named colours

Tomato · ΔE 9.8 Crimson · ΔE 16.4 Coral · ΔE 23.2 Firebrick · ΔE 23.5 Orange red · ΔE 24.7 Red · ΔE 27.1

Nearest named CSS colourTomato (#FF6347)ΔE 9.76, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#44F7FF

Analogous#FF4499, #FFA944

Triadic#44FF4C, #4C44FF

Split complementary#44FFA9, #449AFF

Tetradic#9AFF44, #44F7FF, #A944FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDEDD

Lighter +20%#FFAEAA

Lighter +10%#FF7D77

Darker −10%#FF1B11

Darker −20%#DD0900

Darker −30%#AA0700

Darker −40%#770500

More saturated +25%#FF4C44

Less saturated −25%#E8615B

Channel breakdown

R255

G76

B68

Red255 (100%)

Green76 (29.8%)

Blue68 (26.7%)

Hue2.57°

Saturation (HSL)100%

Lightness63.33%

Dominant channelRed

Hex per channelR FF · G 4C · B 44

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF4C44 (chemical formula)

Formula
623.474 g/mol
49 atoms

FF4C44 has a molar mass of 623.474 g/mol, made up of 49 atoms across 2 elements: 5 × F, 44 × C.

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Molar mass

Molar mass623.474 g/mol

Total atoms per molecule49

Distinct elements2

Mass of one molecule1.0353029 × 10^-21 g

Molecules per gram9.6590087 × 10^20

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

F15.2%

C84.8%

Fluorine (F × 5)94.99 g/mol, 15.236%

Carbon (C × 44)528.484 g/mol, 84.764%

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