Recognised as Colour

#C1656C

#C1656C
Red
Dark
Nearest: Indian red

#C1656C is a red with RGB values 193, 101, 108 and HSL 355°, 43%, 58%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#C1656C#C1656C

HEX#C1656C

RGBrgb(193, 101, 108)

RGB (0–1)0.7569, 0.3961, 0.4235

RGB percentages75.7%, 39.6%, 42.4%

HSLhsl(355.4, 42.6%, 57.6%)

HSV / HSBhsv(355.4, 47.7%, 75.7%)

CMYK0%, 47.7%, 44%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,674,412

CSS custom property--colour: #C1656C;

Brightness & contrast

Relative luminance0.21728WCAG 2.x, 0 is black and 1 is white

Perceived brightness135.8 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#797979

Inverted#3E9A93

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#78756Cno red cones; affects about 1% of men; ΔE 38.9 from the original

Deuteranopia#8F876Ano green cones; the most common form, about 1% of men; ΔE 39.5 from the original

Tritanopia#D05A68no blue cones; rare, and affects men and women equally; ΔE 10.8 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

Indian red · ΔE 11.9 Light coral · ΔE 15.1 Pale violetred · ΔE 16.4 Salmon · ΔE 22.5 Rosy brown · ΔE 23.5 Dark salmon · ΔE 23.7

Nearest named CSS colourIndian red (#CD5C5C)ΔE 11.86, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#65C1BA

Analogous#C1659A, #C18C65

Triadic#6CC165, #656CC1

Split complementary#65C18C, #659AC1

Tetradic#9AC165, #65C1BA, #8C65C1

Tints, shades & saturation

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

Lighter +40%#FCF6F7

Lighter +30%#EDD2D4

Lighter +20%#DEAEB1

Lighter +10%#D0898F

Darker −10%#AD464E

Darker −20%#89373D

Darker −30%#65282D

Darker −40%#401A1D

More saturated +25%#DC4A55

Less saturated −25%#A68083

Channel breakdown

R193

G101

B108

Red193 (75.7%)

Green101 (39.6%)

Blue108 (42.4%)

Hue355.43°

Saturation (HSL)42.59%

Lightness57.65%

Dominant channelRed

Hex per channelR C1 · G 65 · B 6C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C1656C (chemical formula)

Formula
19,902.227 g/mol
1657 atoms

C1656C has a molar mass of 19,902.227 g/mol, made up of 1657 atoms across 1 element: 1657 × C.

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Molar mass

Molar mass19,902.227 g/mol

Total atoms per molecule1657

Distinct elements1

Mass of one molecule3.3048425 × 10^-20 g

Molecules per gram3.0258628 × 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

C100%

Carbon (C × 1657)19,902.227 g/mol, 100%

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Elements in this formula

Carbon

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