Recognised as Colour

#C6684B

#C6684B
Red
Dark
Nearest: Sienna

#C6684B is a red with RGB values 198, 104, 75 and HSL 14°, 52%, 54%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#C6684B#C6684B

HEX#C6684B

RGBrgb(198, 104, 75)

RGB (0–1)0.7765, 0.4078, 0.2941

RGB percentages77.6%, 40.8%, 29.4%

HSLhsl(14.1, 51.9%, 53.5%)

HSV / HSBhsv(14.1, 62.1%, 77.6%)

CMYK0%, 47.5%, 62.1%, 22.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,002,827

CSS custom property--colour: #C6684B;

Brightness & contrast

Relative luminance0.22414WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.48:1

Contrast with white3.83:1WCAG normal text: Fail

Contrast with black5.48:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#3997B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#807648no red cones; affects about 1% of men; ΔE 38.9 from the original

Deuteranopia#978A49no green cones; the most common form, about 1% of men; ΔE 39.2 from the original

Tritanopia#D85761no blue cones; rare, and affects men and women equally; ΔE 20.6 from the original

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

Contrast with white, large text3.83:1WCAG large text: AA

Contrast with black, large text5.48:1WCAG large text: AAA

Named colours

Sienna · ΔE 12.3 Indian red · ΔE 14.8 Salmon · ΔE 16.9 Dark salmon · ΔE 17.6 Light coral · ΔE 19.5 Saddle brown · ΔE 20.6

Nearest named CSS colourSienna (#A0522D)ΔE 12.29, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4BA9C6

Analogous#C64B6C, #C6A54B

Triadic#4BC668, #684BC6

Split complementary#4BC6A5, #4B6CC6

Tetradic#6CC64B, #4BA9C6, #A54BC6

Tints, shades & saturation

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

Lighter +40%#F7EAE6

Lighter +30%#EBC9BF

Lighter +20%#DFA998

Lighter +10%#D28872

Darker −10%#A95135

Darker −20%#823E29

Darker −30%#5B2C1D

Darker −40%#341911

More saturated +25%#E4582D

Less saturated −25%#A87869

Channel breakdown

R198

G104

B75

Red198 (77.6%)

Green104 (40.8%)

Blue75 (29.4%)

Hue14.15°

Saturation (HSL)51.9%

Lightness53.53%

Dominant channelRed

Hex per channelR C6 · G 68 · B 4B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C6684B (chemical formula)

Formula
80,292.334 g/mol
6685 atoms

C6684B has a molar mass of 80,292.334 g/mol, made up of 6685 atoms across 2 elements: 6684 × C, 1 × B.

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Molar mass

Molar mass80,292.334 g/mol

Total atoms per molecule6685

Distinct elements2

Mass of one molecule1.3332856 × 10^-19 g

Molecules per gram7.5002687 × 10^18

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%

B0%

Carbon (C × 6684)80,281.524 g/mol, 99.987%

Boron (B)10.81 g/mol, 0.013%

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