Recognised as Colour

#FF4C65

#FF4C65
Red
Dark
Nearest: Crimson

#FF4C65 is a red with RGB values 255, 76, 101 and HSL 352°, 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 Crimson.

Colour values

#FF4C65#FF4C65

HEX#FF4C65

RGBrgb(255, 76, 101)

RGB (0–1)1, 0.298, 0.3961

RGB percentages100%, 29.8%, 39.6%

HSLhsl(351.6, 100%, 64.9%)

HSV / HSBhsv(351.6, 70.2%, 100%)

CMYK0%, 70.2%, 60.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,731,237

CSS custom property--colour: #FF4C65;

Brightness & contrast

Relative luminance0.27368WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.47:1

Contrast with white3.24:1WCAG normal text: Fail

Contrast with black6.47:1WCAG normal text: AA

Greyscale equivalent#747474

Inverted#00B39A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7C7765no red cones; affects about 1% of men; ΔE 72.1 from the original

Deuteranopia#AA9D60no green cones; the most common form, about 1% of men; ΔE 73 from the original

Tritanopia#FF1657no blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text3.24:1WCAG large text: AA

Contrast with black, large text6.47:1WCAG large text: AAA

Named colours

Crimson · ΔE 14.6 Tomato · ΔE 23 Indian red · ΔE 24.7 Salmon · ΔE 24.7 Firebrick · ΔE 26.4 Light coral · ΔE 27.3

Nearest named CSS colourCrimson (#DC143C)ΔE 14.56, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4CFFE6

Analogous#FF4CBF, #FF8C4C

Triadic#65FF4C, #4C65FF

Split complementary#4CFF8C, #4CBFFF

Tetradic#BFFF4C, #4CFFE6, #8C4CFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFE5E9

Lighter +20%#FFB2BD

Lighter +10%#FF7F91

Darker −10%#FF1939

Darker −20%#E50020

Darker −30%#B20019

Darker −40%#7F0012

More saturated +25%#FF4C65

Less saturated −25%#E96275

Channel breakdown

R255

G76

B101

Red255 (100%)

Green76 (29.8%)

Blue101 (39.6%)

Hue351.62°

Saturation (HSL)100%

Lightness64.9%

Dominant channelRed

Hex per channelR FF · G 4C · B 65

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF4C65 (chemical formula)

Formula
875.705 g/mol
70 atoms

FF4C65 has a molar mass of 875.705 g/mol, made up of 70 atoms across 2 elements: 5 × F, 65 × C.

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Molar mass

Molar mass875.705 g/mol

Total atoms per molecule70

Distinct elements2

Mass of one molecule1.4541424 × 10^-21 g

Molecules per gram6.8769058 × 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

F10.8%

C89.2%

Fluorine (F × 5)94.99 g/mol, 10.847%

Carbon (C × 65)780.715 g/mol, 89.153%

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