Recognised as Colour
#BF3B45
- #BF3B45
- Red
- Dark
- Nearest: Brown
#BF3B45 is a red with RGB values 191, 59, 69 and HSL 355°, 53%, 49%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#BF3B45#BF3B45
HEX#BF3B45
RGBrgb(191, 59, 69)
RGB (0–1)0.749, 0.2314, 0.2706
RGB percentages74.9%, 23.1%, 27.1%
HSLhsl(355.5, 52.8%, 49%)
HSV / HSBhsv(355.5, 69.1%, 74.9%)
CMYK0%, 69.1%, 63.9%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,532,549
CSS custom property--colour: #BF3B45;
Brightness & contrast
Relative luminance0.14634WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.35:1
Contrast with white5.35:1WCAG normal text: AA
Contrast with black3.93:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#40C4BA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.35:1WCAG large text: AAA
Contrast with black, large text3.93:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3BBFB5
Analogous#BF3B87, #BF733B
Triadic#45BF3B, #3B45BF
Split complementary#3BBF73, #3B87BF
Tetradic#87BF3B, #3BBFB5, #733BBF
Tints, shades & saturation
Channel breakdown
R191
G59
B69
Red191 (74.9%)
Green59 (23.1%)
Blue69 (27.1%)
Hue355.45°
Saturation (HSL)52.8%
Lightness49.02%
Dominant channelRed
Hex per channelR BF · G 3B · B 45
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Also reads as
BF3B45 (chemical formula)
- Formula
- 554.254 g/mol
- 49 atoms
BF3B45 has a molar mass of 554.254 g/mol, made up of 49 atoms across 2 elements: 46 × B, 3 × F.
Molar mass
Molar mass554.254 g/mol
Total atoms per molecule49
Distinct elements2
Mass of one molecule9.2036042 × 10^-22 g
Molecules per gram1.0865309 × 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
B89.7%
F10.3%
Boron (B × 46)497.26 g/mol, 89.717%
Fluorine (F × 3)56.994 g/mol, 10.283%
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