Recognised as Colour
#BF666F
- #BF666F
- Red
- Dark
- Nearest: Indian red
#BF666F is a red with RGB values 191, 102, 111 and HSL 354°, 41%, 57%. 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
#BF666F#BF666F
HEX#BF666F
RGBrgb(191, 102, 111)
RGB (0–1)0.749, 0.4, 0.4353
RGB percentages74.9%, 40%, 43.5%
HSLhsl(353.9, 41%, 57.5%)
HSV / HSBhsv(353.9, 46.6%, 74.9%)
CMYK0%, 46.6%, 41.9%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,543,599
CSS custom property--colour: #BF666F;
Brightness & contrast
Relative luminance0.21727WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.7 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#7A7A7A
Inverted#409990
Colour vision & accessibility
Distinguishable without hueYesnever 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
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#66BFB6
Analogous#BF669B, #BF8A66
Triadic#6FBF66, #666FBF
Split complementary#66BF8A, #669BBF
Tetradic#9BBF66, #66BFB6, #8A66BF
Tints, shades & saturation
Channel breakdown
R191
G102
B111
Red191 (74.9%)
Green102 (40%)
Blue111 (43.5%)
Hue353.93°
Saturation (HSL)41.01%
Lightness57.45%
Dominant channelRed
Hex per channelR BF · G 66 · B 6F
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Harmonies
Similar named colours
Also reads as
BF666F (chemical formula)
- Formula
- 12,682.476 g/mol
- 668 atoms
BF666F has a molar mass of 12,682.476 g/mol, made up of 668 atoms across 2 elements: 1 × B, 667 × F.
Molar mass
Molar mass12,682.476 g/mol
Total atoms per molecule668
Distinct elements2
Mass of one molecule2.1059747 × 10^-20 g
Molecules per gram4.7483952 × 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
B0.1%
F99.9%
Boron (B)10.81 g/mol, 0.085%
Fluorine (F × 667)12,671.666 g/mol, 99.915%
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