Recognised as Colour

#C1B7B7

#C1B7B7
Grey
Dark
Nearest: Silver

#C1B7B7 is a grey with RGB values 193, 183, 183 and HSL 0°, 7%, 74%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Silver.

Colour values

#C1B7B7#C1B7B7

HEX#C1B7B7

RGBrgb(193, 183, 183)

RGB (0–1)0.7569, 0.7176, 0.7176

RGB percentages75.7%, 71.8%, 71.8%

HSLhsl(0, 7.5%, 73.7%)

HSV / HSBhsv(0, 5.2%, 75.7%)

CMYK0%, 5.2%, 5.2%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,695,479

CSS custom property--colour: #C1B7B7;

Brightness & contrast

Relative luminance0.48623WCAG 2.x, 0 is black and 1 is white

Perceived brightness186 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.72:1

Contrast with white1.96:1WCAG normal text: Fail

Contrast with black10.72:1WCAG normal text: AAA

Greyscale equivalent#B9B9B9

Inverted#3E4848

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B9B8B7no red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#BBBAB7no green cones; the most common form, about 1% of men; ΔE 3.8 from the original

Tritanopia#C3B6B7no blue cones; rare, and affects men and women equally; ΔE 1.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.96:1WCAG large text: Fail

Contrast with black, large text10.72:1WCAG large text: AAA

Named colours

Silver · ΔE 4.5 Dark grey · ΔE 7.1 Light grey · ΔE 10.1 Gainsboro · ΔE 13.1 Thistle · ΔE 15.1 Light steelblue · ΔE 17.5

Nearest named CSS colourSilver (#C0C0C0)ΔE 4.5, a close match

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B7C1C1

Analogous#C1B7BC, #C1BCB7

Triadic#B7C1B7, #B7B7C1

Split complementary#B7C1BC, #B7BCC1

Tetradic#BCC1B7, #B7C1C1, #BCB7C1

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#F0EEEE

Lighter +10%#D9D2D2

Darker −10%#A99C9C

Darker −20%#928080

Darker −30%#786767

Darker −40%#5C5050

More saturated +25%#D2A6A6

Less saturated −25%#BCBCBC

Channel breakdown

R193

G183

B183

Red193 (75.7%)

Green183 (71.8%)

Blue183 (71.8%)

Hue0°

Saturation (HSL)7.46%

Lightness73.73%

Dominant channelRed

Hex per channelR C1 · G B7 · B B7

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

C1B7B7 (chemical formula)

Formula
163.351 g/mol
15 atoms

C1B7B7 has a molar mass of 163.351 g/mol, made up of 15 atoms across 2 elements: 1 × C, 14 × B.

Open this reading on its own page →

Molar mass

Molar mass163.351 g/mol

Total atoms per molecule15

Distinct elements2

Mass of one molecule2.7125072 × 10^-22 g

Molecules per gram3.6866262 × 10^21

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

C7.4%

B92.6%

Carbon (C)12.011 g/mol, 7.353%

Boron (B × 14)151.34 g/mol, 92.647%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page