Recognised as Colour
#BA1539
- #BA1539
- Red
- Dark
- Nearest: Brown
#BA1539 is a red with RGB values 186, 21, 57 and HSL 347°, 80%, 41%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#BA1539#BA1539
HEX#BA1539
RGBrgb(186, 21, 57)
RGB (0–1)0.7294, 0.0824, 0.2235
RGB percentages72.9%, 8.2%, 22.4%
HSLhsl(346.9, 79.7%, 40.6%)
HSV / HSBhsv(346.9, 88.7%, 72.9%)
CMYK0%, 88.7%, 69.4%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,195,129
CSS custom property--colour: #BA1539;
Brightness & contrast
Relative luminance0.11271WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.45:1
Contrast with white6.45:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#45EAC6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.45:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#15BA96
Analogous#BA158B, #BA4415
Triadic#39BA15, #1539BA
Split complementary#15BA44, #158BBA
Tetradic#8BBA15, #15BA96, #4415BA
Tints, shades & saturation
Channel breakdown
R186
G21
B57
Red186 (72.9%)
Green21 (8.2%)
Blue57 (22.4%)
Hue346.91°
Saturation (HSL)79.71%
Lightness40.59%
Dominant channelRed
Hex per channelR BA · G 15 · B 39
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Also reads as
Ba1539 (chemical formula)
- Formula
- 211,350.87 g/mol
- 1539 atoms
Ba1539 has a molar mass of 211,350.87 g/mol, made up of 1539 atoms across 1 element: 1539 × Ba.
Molar mass
Molar mass211,350.87 g/mol
Total atoms per molecule1539
Distinct elements1
Mass of one molecule3.5095638 × 10^-19 g
Molecules per gram2.849357 × 10^18
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
Ba100%
Barium (Ba × 1539)211,350.87 g/mol, 100%
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