Recognised as Colour
#BB4048
- #BB4048
- Red
- Dark
- Nearest: Indian red
#BB4048 is a red with RGB values 187, 64, 72 and HSL 356°, 49%, 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 Indian red.
Colour values
#BB4048#BB4048
HEX#BB4048
RGBrgb(187, 64, 72)
RGB (0–1)0.7333, 0.251, 0.2824
RGB percentages73.3%, 25.1%, 28.2%
HSLhsl(356.1, 49%, 49.2%)
HSV / HSBhsv(356.1, 65.8%, 73.3%)
CMYK0%, 65.8%, 61.5%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,271,688
CSS custom property--colour: #BB4048;
Brightness & contrast
Relative luminance0.14699WCAG 2.x, 0 is black and 1 is white
Perceived brightness116 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.33:1
Contrast with white5.33:1WCAG normal text: AA
Contrast with black3.94:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#44BFB7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.33:1WCAG large text: AAA
Contrast with black, large text3.94:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#40BBB3
Analogous#BB4085, #BB7640
Triadic#48BB40, #4048BB
Split complementary#40BB76, #4085BB
Tetradic#85BB40, #40BBB3, #7640BB
Tints, shades & saturation
Channel breakdown
R187
G64
B72
Red187 (73.3%)
Green64 (25.1%)
Blue72 (28.2%)
Hue356.1°
Saturation (HSL)49%
Lightness49.22%
Dominant channelRed
Hex per channelR BB · G 40 · B 48
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Harmonies
Similar named colours
Also reads as
BB4048 (chemical formula)
- Formula
- 43,769.69 g/mol
- 4049 atoms
BB4048 has a molar mass of 43,769.69 g/mol, made up of 4049 atoms across 1 element: 4049 × B.
Molar mass
Molar mass43,769.69 g/mol
Total atoms per molecule4049
Distinct elements1
Mass of one molecule7.268128 × 10^-20 g
Molecules per gram1.3758701 × 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
B100%
Boron (B × 4049)43,769.69 g/mol, 100%
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