Recognised as Colour

#C1618B

#C1618B
Red
Dark
Nearest: Pale violetred

#C1618B is a red with RGB values 193, 97, 139 and HSL 334°, 44%, 57%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Pale violetred.

Colour values

#C1618B#C1618B

HEX#C1618B

RGBrgb(193, 97, 139)

RGB (0–1)0.7569, 0.3804, 0.5451

RGB percentages75.7%, 38%, 54.5%

HSLhsl(333.8, 43.6%, 56.9%)

HSV / HSBhsv(333.8, 49.7%, 75.7%)

CMYK0%, 49.7%, 28%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,673,419

CSS custom property--colour: #C1618B;

Brightness & contrast

Relative luminance0.21751WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.35:1

Contrast with white3.93:1WCAG normal text: Fail

Contrast with black5.35:1WCAG normal text: AA

Greyscale equivalent#787878

Inverted#3E9E74

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D768Cno red cones; affects about 1% of men; ΔE 42.4 from the original

Deuteranopia#868789no green cones; the most common form, about 1% of men; ΔE 43.4 from the original

Tritanopia#CE5C71no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original

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

Contrast with white, large text3.93:1WCAG large text: AA

Contrast with black, large text5.35:1WCAG large text: AAA

Named colours

Pale violetred · ΔE 9.2 Hot pink · ΔE 24.7 Indian red · ΔE 27.5 Light coral · ΔE 27.8 Plum · ΔE 27.8 Rosy brown · ΔE 30.4

Nearest named CSS colourPale violetred (#DB7093)ΔE 9.21, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#61C197

Analogous#C161BB, #C16761

Triadic#8BC161, #618BC1

Split complementary#61C167, #61BBC1

Tetradic#BBC161, #61C197, #6761C1

Tints, shades & saturation

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

Lighter +40%#FAF4F7

Lighter +30%#ECCFDC

Lighter +20%#DEAAC1

Lighter +10%#CF86A6

Darker −10%#AC4371

Darker −20%#873559

Darker −30%#622741

Darker −40%#3E1829

More saturated +25%#DD4688

Less saturated −25%#A57D8E

Channel breakdown

R193

G97

B139

Red193 (75.7%)

Green97 (38%)

Blue139 (54.5%)

Hue333.75°

Saturation (HSL)43.64%

Lightness56.86%

Dominant channelRed

Hex per channelR C1 · G 61 · B 8B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C1618B (chemical formula)

Formula
19,444.608 g/mol
1619 atoms

C1618B has a molar mass of 19,444.608 g/mol, made up of 1619 atoms across 2 elements: 1618 × C, 1 × B.

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Molar mass

Molar mass19,444.608 g/mol

Total atoms per molecule1619

Distinct elements2

Mass of one molecule3.2288531 × 10^-20 g

Molecules per gram3.0970749 × 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

C99.9%

B0.1%

Carbon (C × 1618)19,433.798 g/mol, 99.944%

Boron (B)10.81 g/mol, 0.056%

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