Recognised as Colour
#BB3436
- #BB3436
- Red
- Dark
- Nearest: Brown
#BB3436 is a red with RGB values 187, 52, 54 and HSL 359°, 56%, 47%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#BB3436#BB3436
HEX#BB3436
RGBrgb(187, 52, 54)
RGB (0–1)0.7333, 0.2039, 0.2118
RGB percentages73.3%, 20.4%, 21.2%
HSLhsl(359.1, 56.5%, 46.9%)
HSV / HSBhsv(359.1, 72.2%, 73.3%)
CMYK0%, 72.2%, 71.1%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,268,598
CSS custom property--colour: #BB3436;
Brightness & contrast
Relative luminance0.13287WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.74:1
Contrast with white5.74:1WCAG normal text: AA
Contrast with black3.66:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#44CBC9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.74:1WCAG large text: AAA
Contrast with black, large text3.66:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#34BBB9
Analogous#BB347A, #BB7534
Triadic#36BB34, #3436BB
Split complementary#34BB75, #347ABB
Tetradic#7ABB34, #34BBB9, #7534BB
Tints, shades & saturation
Channel breakdown
R187
G52
B54
Red187 (73.3%)
Green52 (20.4%)
Blue54 (21.2%)
Hue359.11°
Saturation (HSL)56.49%
Lightness46.86%
Dominant channelRed
Hex per channelR BB · G 34 · B 36
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Also reads as
BB3436 (chemical formula)
- Formula
- 37,153.97 g/mol
- 3437 atoms
BB3436 has a molar mass of 37,153.97 g/mol, made up of 3437 atoms across 1 element: 3437 × B.
Molar mass
Molar mass37,153.97 g/mol
Total atoms per molecule3437
Distinct elements1
Mass of one molecule6.1695619 × 10^-20 g
Molecules per gram1.6208606 × 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 × 3437)37,153.97 g/mol, 100%
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